Windows · Microsoft · released November 10, 2026
Windows security updates, November 2026: every vulnerability, rated
Microsoft published 733 Windows vulnerabilities in November 2026, most of them on Patch Tuesday, November 10, 2026. 36 are rated Critical. None was reported as exploited when it was published. 70 more deserve attention this week; 663 can follow the normal monthly rollout. The updates that carry these fixes need a restart.
- CVEs
- 733
- Patch now
- 0
- This week
- 70
- Normal cycle
- 657
- Low
- 6
Fixed in: November 2026 Windows security update restart requiredMicrosoft release notes
Page 3 of 13 · sorted by risk, then score
Normal cycle60 on this page · tap one for its risk review
- Normal cycleWindowsNovember 10, 2026
CVE-2026-118283Windows Advanced Rasterization Platform
Elevation of Privilege · Severity Important · CVSS 8.8
In Windows Advanced Rasterization Platform, an attacker with an ordinary user account could take higher privileges once they can run code on the PC. Microsoft severity Important, CVSS 8.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5126646, KB5126651, KB5126653) for 24 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-119392Windows Storage Spaces Controller
Elevation of Privilege · Severity Important · CVSS 8.8
In Windows Storage Spaces Controller, an attacker with no account could take higher privileges over the network, but only if someone opens a file, link or message. Microsoft severity Important, CVSS 8.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 28 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-119824Remote Desktop Client
Tampering · Severity Important · CVSS 8.8
In Remote Desktop Client, an attacker with no account could change data or settings they shouldn't control over the network, but only if someone opens a file, link or message. Microsoft severity Important, CVSS 8.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 24 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-119839Windows Remote Desktop Client
Elevation of Privilege · Severity Important · CVSS 8.8
In Windows Remote Desktop Client, an attacker with no account could take higher privileges over the network, but only if someone opens a file, link or message. Microsoft severity Important, CVSS 8.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131087) for 12 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-119862Windows Input System
Elevation of Privilege · Severity Important · CVSS 8.8
In Windows Input System, an attacker with an ordinary user account could take higher privileges once they can run code on the PC. Microsoft severity Important, CVSS 8.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 24 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-119881Microsoft XPS Document Converter
Elevation of Privilege · Severity Important · CVSS 8.8
In Microsoft XPS Document Converter, an attacker with no account could take higher privileges over the network, but only if someone opens a file, link or message. Microsoft severity Important, CVSS 8.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 28 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-119908Windows Storage Spaces Controller
Remote Code Execution · Severity Important · CVSS 8.8
In Windows Storage Spaces Controller, an attacker with no account could run their own code over the network, but only if someone opens a file, link or message. Microsoft severity Important, CVSS 8.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131087) for 14 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-119916Windows Input System
Elevation of Privilege · Severity Important · CVSS 8.8
In Windows Input System, an attacker with an ordinary user account could take higher privileges once they can run code on the PC. Microsoft severity Important, CVSS 8.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 24 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-119925Windows Text Services Framework
Elevation of Privilege · Severity Important · CVSS 8.8
In Windows Text Services Framework, an attacker with an ordinary user account could take higher privileges once they can run code on the PC. Microsoft severity Important, CVSS 8.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 24 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-119934Remote Desktop Client
Remote Code Execution · Severity Important · CVSS 8.8
In Remote Desktop Client, an attacker with no account could run their own code over the network, but only if someone opens a file, link or message. Microsoft severity Important, CVSS 8.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 28 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-119950Windows Print Spooler Components
Elevation of Privilege · Severity Important · CVSS 8.8
In Windows Print Spooler Components, an attacker with no account could take higher privileges over the network, but only if someone opens a file, link or message. Microsoft severity Important, CVSS 8.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 28 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-122171Microsoft XPS Document Converter
Remote Code Execution · Severity Important · CVSS 8.8
In Microsoft XPS Document Converter, an attacker with no account could run their own code over the network, but only if someone opens a file, link or message. Microsoft severity Important, CVSS 8.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 28 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-122176Windows SMB
Remote Code Execution · Severity Important · CVSS 8.8
In Windows SMB, an attacker with an ordinary user account could run their own code over the network without anyone clicking anything. Microsoft severity Important, CVSS 8.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 28 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-122475Windows Storage Spaces Controller
Remote Code Execution · Severity Important · CVSS 8.8
In Windows Storage Spaces Controller, an attacker with no account could run their own code over the network, but only if someone opens a file, link or message. Microsoft severity Important, CVSS 8.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131087) for 12 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-124226Microsoft PowerShell
Security Feature Bypass · Severity Important · CVSS 8.8
In Microsoft PowerShell, an attacker with an ordinary user account could get around a Windows security protection once they can run code on the PC. Microsoft severity Important, CVSS 8.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131085, KB5131087, KB5131090) for 28 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-85838Microsoft WDAC OLE DB provider for SQL
Remote Code Execution · Severity Important · CVSS 8.8
In Microsoft WDAC OLE DB provider for SQL, an attacker with no account could run their own code over the network, but only if someone opens a file, link or message. Microsoft severity Important, CVSS 8.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5126646, KB5126651, KB5126653) for 32 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-85839Microsoft WDAC OLE DB provider for SQL
Remote Code Execution · Severity Important · CVSS 8.8
In Microsoft WDAC OLE DB provider for SQL, an attacker with no account could run their own code over the network, but only if someone opens a file, link or message. Microsoft severity Important, CVSS 8.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5126646, KB5126651, KB5126653) for 32 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-88222Microsoft WDAC OLE DB provider for SQL
Remote Code Execution · Severity Important · CVSS 8.8
In Microsoft WDAC OLE DB provider for SQL, an attacker with no account could run their own code over the network, but only if someone opens a file, link or message. Microsoft severity Important, CVSS 8.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 28 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-88229Windows Media Player
Remote Code Execution · Severity Important · CVSS 8.8
In Windows Media Player, an attacker with no account could run their own code over the network, but only if someone opens a file, link or message. Microsoft severity Important, CVSS 8.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 28 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-88249Windows Client for NFS
Remote Code Execution · Severity Important · CVSS 8.8
In Windows Client for NFS, an attacker with no account could run their own code over the network, but only if someone opens a file, link or message. Microsoft severity Important, CVSS 8.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 28 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-95960Windows Advanced Rasterization Platform
Elevation of Privilege · Severity Important · CVSS 8.8
In Windows Advanced Rasterization Platform, an attacker with an ordinary user account could take higher privileges once they can run code on the PC. Microsoft severity Important, CVSS 8.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5126646, KB5126651, KB5126653) for 24 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-95975Windows Performance Counters
Remote Code Execution · Severity Important · CVSS 8.8
In Windows Performance Counters, an attacker with no account could run their own code over the network, but only if someone opens a file, link or message. Microsoft severity Important, CVSS 8.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 28 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-95996Windows Bluetooth Port Driver
Elevation of Privilege · Severity Important · CVSS 8.8
In Windows Bluetooth Port Driver, an attacker with an ordinary user account could take higher privileges over the network without anyone clicking anything. Microsoft severity Important, CVSS 8.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 28 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-96002Windows Domain Name Service
Remote Code Execution · Severity Important · CVSS 8.8
In Windows Domain Name Service, an attacker with an ordinary user account could run their own code over the network without anyone clicking anything. Microsoft severity Important, CVSS 8.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 8 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-96010HID Parser Library
Elevation of Privilege · Severity Important · CVSS 8.8
In HID Parser Library, an attacker with an ordinary user account could take higher privileges over the network without anyone clicking anything. Microsoft severity Important, CVSS 8.8. Microsoft rates it "exploitation unlikely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 28 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-96020Windows Domain Name Service
Remote Code Execution · Severity Important · CVSS 8.8
In Windows Domain Name Service, an attacker with an ordinary user account could run their own code over the network without anyone clicking anything. Microsoft severity Important, CVSS 8.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 8 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-96064Windows Domain Name Service
Remote Code Execution · Severity Important · CVSS 8.8
In Windows Domain Name Service, an attacker with an ordinary user account could run their own code over the network without anyone clicking anything. Microsoft severity Important, CVSS 8.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 8 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-96164Windows Imaging Component
Remote Code Execution · Severity Important · CVSS 8.8
In Windows Imaging Component, an attacker with no account could run their own code over the network, but only if someone opens a file, link or message. Microsoft severity Important, CVSS 8.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 28 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-102219Windows Modern Device Management (MDM)
Remote Code Execution · Severity Important · CVSS 8.1
In Windows Modern Device Management (MDM), an attacker with no account could run their own code over the network without anyone clicking anything. Microsoft severity Important, CVSS 8.1. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 24 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-119945Windows Modern Device Management (MDM)
Remote Code Execution · Severity Important · CVSS 8.1
In Windows Modern Device Management (MDM), an attacker with no account could run their own code over the network without anyone clicking anything. Microsoft severity Important, CVSS 8.1. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131087) for 20 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-72998Windows DHCP Server
Remote Code Execution · Severity Important · CVSS 8.1
In Windows DHCP Server, an attacker with no account could run their own code over the network without anyone clicking anything. Microsoft severity Important, CVSS 8.1. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 8 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-81384Windows DNS Server
Remote Code Execution · Severity Important · CVSS 8.1
In Windows DNS Server, an attacker with no account could run their own code over the network without anyone clicking anything. Microsoft severity Important, CVSS 8.1. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131090) for 4 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-95885Windows Client for NFS
Elevation of Privilege · Severity Important · CVSS 8.1
In Windows Client for NFS, an attacker with no account could take higher privileges over the network without anyone clicking anything. Microsoft severity Important, CVSS 8.1. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 28 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-95956Windows eSCL Scanner
Remote Code Execution · Severity Important · CVSS 8.1
In Windows eSCL Scanner, an attacker with no account could run their own code over the network without anyone clicking anything. Microsoft severity Important, CVSS 8.1. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131087) for 20 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-96092Windows Domain Name Service
Remote Code Execution · Severity Important · CVSS 8.1
In Windows Domain Name Service, an attacker with no account could run their own code over the network without anyone clicking anything. Microsoft severity Important, CVSS 8.1. Microsoft rates it "exploitation unlikely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080) for 2 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-96177Windows Domain Name Service
Remote Code Execution · Severity Important · CVSS 8.1
In Windows Domain Name Service, an attacker with no account could run their own code over the network without anyone clicking anything. Microsoft severity Important, CVSS 8.1. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080) for 2 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-122164Windows Kerberos
Elevation of Privilege · Severity Important · CVSS 8
In Windows Kerberos, an attacker who already has admin rights could take higher privileges over the network without anyone clicking anything. Microsoft severity Important, CVSS 8.0. Microsoft rates it "exploitation unlikely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 28 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-123387Active Directory Domain Services
Elevation of Privilege · Severity Important · CVSS 8
In Active Directory Domain Services, an attacker with an ordinary user account could take higher privileges over the network, but only if someone opens a file, link or message. Microsoft severity Important, CVSS 8.0. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 28 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-88187Windows Bluetooth A2DP driver
Elevation of Privilege · Severity Important · CVSS 8
In Windows Bluetooth A2DP driver, an attacker with an ordinary user account could take higher privileges from the same local network without anyone clicking anything. Microsoft severity Important, CVSS 8.0. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 24 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-88240Windows DHCP Client
Elevation of Privilege · Severity Important · CVSS 8
In Windows DHCP Client, an attacker with an ordinary user account could take higher privileges from the same local network without anyone clicking anything. Microsoft severity Important, CVSS 8.0. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 28 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-96115Windows DHCP Client
Elevation of Privilege · Severity Important · CVSS 8
In Windows DHCP Client, an attacker with an ordinary user account could take higher privileges from the same local network without anyone clicking anything. Microsoft severity Important, CVSS 8.0. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5132043) for 10 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-100223Windows NTFS
Elevation of Privilege · Severity Important · CVSS 7.8
In Windows NTFS, an attacker with an ordinary user account could take higher privileges once they can run code on the PC. Microsoft severity Important, CVSS 7.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 28 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-105022Windows Advanced Rasterization Platform
Elevation of Privilege · Severity Important · CVSS 7.8
In Windows Advanced Rasterization Platform, an attacker with an ordinary user account could take higher privileges once they can run code on the PC. Microsoft severity Important, CVSS 7.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5126646, KB5126651, KB5126653) for 24 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-105025Windows Advanced Rasterization Platform
Elevation of Privilege · Severity Important · CVSS 7.8
In Windows Advanced Rasterization Platform, an attacker with an ordinary user account could take higher privileges once they can run code on the PC. Microsoft severity Important, CVSS 7.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5126646, KB5126651, KB5126653) for 24 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-105028Windows Win32k
Elevation of Privilege · Severity Important · CVSS 7.8
In Windows Win32k, an attacker with an ordinary user account could take higher privileges once they can run code on the PC. Microsoft severity Important, CVSS 7.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 28 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-105503Windows Management Instrumentation
Elevation of Privilege · Severity Important · CVSS 7.8
In Windows Management Instrumentation, an attacker with an ordinary user account could take higher privileges once they can run code on the PC. Microsoft severity Important, CVSS 7.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 28 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-105505Microsoft Input Method Editor (IME)
Elevation of Privilege · Severity Important · CVSS 7.8
In Microsoft Input Method Editor (IME), an attacker with an ordinary user account could take higher privileges once they can run code on the PC. Microsoft severity Important, CVSS 7.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 28 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-105507Windows Installer
Elevation of Privilege · Severity Important · CVSS 7.8
In Windows Installer, an attacker with an ordinary user account could take higher privileges once they can run code on the PC. Microsoft severity Important, CVSS 7.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 28 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-105528Desktop Window Manager
Elevation of Privilege · Severity Important · CVSS 7.8
In Desktop Window Manager, an attacker with an ordinary user account could take higher privileges once they can run code on the PC. Microsoft severity Important, CVSS 7.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131087) for 12 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-105532Windows Installer
Elevation of Privilege · Severity Important · CVSS 7.8
In Windows Installer, an attacker with an ordinary user account could take higher privileges once they can run code on the PC. Microsoft severity Important, CVSS 7.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 28 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-105541Windows Audio Service
Elevation of Privilege · Severity Important · CVSS 7.8
In Windows Audio Service, an attacker with an ordinary user account could take higher privileges once they can run code on the PC. Microsoft severity Important, CVSS 7.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 28 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-105543Windows Installer
Elevation of Privilege · Severity Important · CVSS 7.8
In Windows Installer, an attacker with an ordinary user account could take higher privileges once they can run code on the PC. Microsoft severity Important, CVSS 7.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 28 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-105569Windows Cloud Files Mini Filter Driver
Elevation of Privilege · Severity Important · CVSS 7.8
In Windows Cloud Files Mini Filter Driver, an attacker with an ordinary user account could take higher privileges once they can run code on the PC. Microsoft severity Important, CVSS 7.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 24 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-105575Windows DWM Core Library
Elevation of Privilege · Severity Important · CVSS 7.8
In Windows DWM Core Library, an attacker with an ordinary user account could take higher privileges once they can run code on the PC. Microsoft severity Important, CVSS 7.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 22 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-105580Windows Management Instrumentation
Remote Code Execution · Severity Important · CVSS 7.8
In Windows Management Instrumentation, an attacker with no account could run their own code once they can run code on the PC, but only if someone opens a file, link or message. Microsoft severity Important, CVSS 7.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 28 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-108403Windows Kernel
Elevation of Privilege · Severity Important · CVSS 7.8
In Windows Kernel, an attacker with an ordinary user account could take higher privileges once they can run code on the PC. Microsoft severity Important, CVSS 7.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 28 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-108405Windows CD-ROM Driver
Elevation of Privilege · Severity Important · CVSS 7.8
In Windows CD-ROM Driver, an attacker with an ordinary user account could take higher privileges once they can run code on the PC. Microsoft severity Important, CVSS 7.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 28 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-108407Windows GDI
Elevation of Privilege · Severity Important · CVSS 7.8
In Windows GDI, an attacker with an ordinary user account could take higher privileges once they can run code on the PC. Microsoft severity Important, CVSS 7.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 28 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-108412Windows Redirected Drive Buffering System
Elevation of Privilege · Severity Important · CVSS 7.8
In Windows Redirected Drive Buffering System, an attacker with an ordinary user account could take higher privileges once they can run code on the PC. Microsoft severity Important, CVSS 7.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 28 supported Windows versions; a restart is required.
- Normal cycleWindowsNovember 10, 2026
CVE-2026-112743Windows Device Association Service
Elevation of Privilege · Severity Important · CVSS 7.8
In Windows Device Association Service, an attacker with an ordinary user account could take higher privileges once they can run code on the PC. Microsoft severity Important, CVSS 7.8. Microsoft rates it "exploitation less likely". Fixed in the November 2026 Windows security update (KB5131077, KB5131080, KB5131085) for 28 supported Windows versions; a restart is required.
Why an MSP manages this
Reading the list is the easy part
Nobody running a business reads all of them, and nobody should have to. The work is deciding which ones matter today, testing the fixes, getting them onto every PC and Mac without breaking the workday, and proving it was done.
- 01
Triage that starts with the exploited ones
Most of these fixes can ride the normal monthly rollout. A handful need action the same day. Telling them apart, every month, on every machine, is the core of the work, and it is the part an office manager rarely has time for.
- 02
Testing before everyone gets it
Updates go to a test ring and a pilot group first, so a broken accounting package or design tool shows up on two machines instead of forty, and the rollout pauses until it is sorted.
- 03
Restarts that don't wreck the workday
Windows updates usually need a restart and macOS updates often do. Deadlines, maintenance windows and grace periods get the fix installed without forcing a reboot in the middle of a client call.
- 04
Macs managed as seriously as PCs
Windows patching tools don't patch Macs. macOS updates need their own install-by deadlines through device management, and major upgrades need the same compatibility testing a Windows feature update gets.
- 05
A plan for machines that can't update
Hardware that ages out and versions past end of support stop getting every fix. They need a decision, isolate, upgrade or replace, before they become the easiest way in.
- 06
Proof when someone asks
Cyber insurance applications, customer security questionnaires and frameworks such as the FTC Safeguards Rule all ask how you keep systems patched. A managed service keeps the inventory and the reports that answer them.
The ins and outs
What keeping Windows and Mac patched actually involves
Windows
Patch Tuesday, and the exceptions
Microsoft ships security updates on the second Tuesday of each month, and out of band when something can't wait. This log marks the out-of-band ones.
Cumulative updates
Each month's Windows update carries the earlier months' fixes, so a PC that missed one catches up with the next, as long as it actually installs.
Fixed first, announced later
Some fixes ship before the vulnerability is disclosed. This log flags them, because a PC that is already current is already covered.
Rings, deferrals and deadlines
Windows Update for Business and Intune let you delay updates for a test group, set an install-by deadline and give a grace period before a forced restart.
Known Issue Rollback and safeguard holds
Microsoft can quietly roll back a change that breaks something, and holds back feature updates from PCs it knows will have trouble. Both explain why two PCs on the same network can be on different builds.
Feature updates and end of support
Each Windows version is serviced for a fixed period. Windows 10 PCs past end of support only get security fixes through the paid Extended Security Updates program.
Mac
No fixed release day
Apple publishes security updates when they are ready, often several times a month around a major release, so Mac patching runs on alerts, not a calendar.
Updates versus upgrades
A point update (26.7 to 26.7.1) fixes problems. A major upgrade (Tahoe to Golden Gate) changes the system and needs the same app testing as a Windows feature update.
Older versions get some fixes, not all
Apple's deployment guide says not every security issue is fixed in previous major versions. Staying a version behind is a choice with a cost, not a safe default.
Install-by deadlines through device management
Without enforcement, a macOS update prompt can be put off again and again. Device management can set a deadline so the update installs on schedule.
Macs that age out
When a Mac can no longer run a current macOS version, it stops getting the full set of fixes. Inventory by model and macOS version shows which ones are next.
Apple Business for zero-touch setup
New Macs enrolled through Apple Business arrive already managed, so update policy applies from the first login instead of after someone remembers to enroll them.
Both platforms
Third-party apps aren't on these lists
Browsers, PDF readers, accounting software, VPN clients and plug-ins patch on their own schedules. A machine can be current on Windows or macOS and still exposed through an app.
Firmware and drivers
BIOS and UEFI firmware, docks and network gear get security fixes too, and they rarely update themselves.
Recovery keys before big changes
Before a feature update or a major macOS upgrade, confirm BitLocker and FileVault recovery keys are escrowed somewhere you can reach.
Laptops that are rarely in the office
Remote and travelling staff need updates delivered over the internet with the same deadlines as office machines, or they drift months behind.
You can't patch what you can't see
An up-to-date inventory of every PC and Mac, with its version and last update, is what turns a list like this one into a finished job.