Mac · Apple · released October 26, 2026
Apple macOS security updates, October 26, 2026: every vulnerability, rated
Apple fixed 299 macOS vulnerabilities on October 26, 2026, in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2. None was reported as exploited when it was published. 111 involve running code, kernel or root privileges, a sandbox escape or a remote attacker, so they belong in this week's work. Macs on older macOS versions only get some of these fixes; Apple's own guidance is that not every security issue is fixed in previous major versions.
- CVEs
- 299
- Patch now
- 0
- This week
- 111
- Normal cycle
- 118
- Low
- 70
Fixed in: macOS Golden Gate 27.2, macOS Tahoe 26.7.2, macOS Sequoia 15.8.2Apple security notes Apple security notes Apple security notes
Page 1 of 5 · sorted by risk, then score
This week60 on this page
- This weekMacOctober 26, 2026
CVE-2026-112410Heimdal
In Heimdal: A remote attacker may cause an unexpected process termination. Apple's fix: A double free issue was addressed with improved memory management. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112424HFS
In HFS: An app may be able to cause unexpected system termination or read kernel memory. Apple's fix: An out-of-bounds read was addressed with improved bounds checking. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112427Remote Management
In Remote Management: A remote attacker may be able to cause arbitrary code execution. Apple's fix: An authentication issue was addressed with improved state management. Fixed in macOS Golden Gate 27.2.
- This weekMacOctober 26, 2026
CVE-2026-112428DesktopServices
In DesktopServices: An app may bypass Gatekeeper checks. Apple's fix: A logic issue was addressed with improved checks. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112430Security
In Security: An app may be able to gain root privileges. Apple's fix: An authentication issue was addressed with improved validation of user attributes. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112434Security
In Security: An app may be able to gain root privileges. Apple's fix: A logic issue was addressed with improved checks. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112437Security
In Security: An app may be able to gain root privileges. Apple's fix: A logic issue was addressed with improved checks. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112438Kernel
In Kernel: An unprivileged attacker may be able to execute arbitrary code as root. Apple's fix: A logic issue was addressed with improved state management. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112444DesktopServices
In DesktopServices: An app may be able to bypass Gatekeeper checks. Apple's fix: This issue was addressed with improved checks. Fixed in macOS Golden Gate 27.2 and macOS Tahoe 26.7.2.
- This weekMacOctober 26, 2026
CVE-2026-112451smbx
In smbx: A remote attacker may be able to cause a denial-of-service or disclose process memory. Apple's fix: An out-of-bounds read was addressed with improved bounds checking. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112453System Settings
In System Settings: An app may be able to break out of its sandbox. Apple's fix: A path handling issue was addressed with improved validation. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112459IOMobileFrameBuffer
In IOMobileFrameBuffer: An app may be able to cause unexpected system termination or corrupt kernel memory. Apple's fix: A race condition was addressed with improved state handling. Fixed in macOS Golden Gate 27.2.
- This weekMacOctober 26, 2026
CVE-2026-112466AVEVideoEncoder
In AVEVideoEncoder: An app may be able to cause unexpected system termination or read kernel memory. Apple's fix: An out-of-bounds read was addressed with improved input validation. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112468AVEVideoEncoder
In AVEVideoEncoder: An app may be able to cause unexpected system termination or corrupt kernel memory. Apple's fix: An out-of-bounds write issue was addressed with improved bounds checking. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112469AVEVideoEncoder
In AVEVideoEncoder: An app may be able to cause unexpected system termination or corrupt kernel memory. Apple's fix: An out-of-bounds write issue was addressed with improved bounds checking. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112470AVEVideoEncoder
In AVEVideoEncoder: An app may be able to cause unexpected system termination or corrupt kernel memory. Apple's fix: An out-of-bounds write issue was addressed with improved bounds checking. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112474Kernel
In Kernel: An app may be able to cause unexpected system termination or write kernel memory. Apple's fix: A use-after-free issue was addressed with improved memory management. Fixed in macOS Golden Gate 27.2.
- This weekMacOctober 26, 2026
CVE-2026-112477IOSurface
In IOSurface: An app may be able to cause unexpected system termination or corrupt kernel memory. Apple's fix: A race condition was addressed with improved locking. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112478IOKit
In IOKit: An app may be able to cause unexpected system termination or read kernel memory. Apple's fix: An out-of-bounds read issue was addressed by removing the vulnerable code. Fixed in macOS Golden Gate 27.2 and macOS Tahoe 26.7.2.
- This weekMacOctober 26, 2026
CVE-2026-112479USB
In USB: A malicious USB device may be able to cause unexpected system termination or read kernel memory. Apple's fix: An out-of-bounds read was addressed with improved bounds checking. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112484Screen Sharing Server
In Screen Sharing Server: A malicious application may be able to execute arbitrary code with system privileges. Apple's fix: This issue was addressed with improved file handling. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112487Storage
In Storage: An app may be able to gain root privileges. Apple's fix: A path handling issue was addressed with improved validation. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112492StorageKit
In StorageKit: An app may be able to gain root privileges. Apple's fix: A race condition was addressed with additional validation. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112493SecurityAgent
In SecurityAgent: An app may be able to gain root privileges. Apple's fix: A downgrade issue was addressed with additional version checks. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112494LaunchServices
In LaunchServices: An app may bypass Gatekeeper checks. Apple's fix: A file quarantine bypass was addressed with additional checks. Fixed in macOS Golden Gate 27.2 and macOS Tahoe 26.7.2.
- This weekMacOctober 26, 2026
CVE-2026-112495SoftRAID
In SoftRAID: An app may be able to cause unexpected system termination or read kernel memory. Apple's fix: An out-of-bounds read was addressed with improved bounds checking. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112497libxpc
In libxpc: An app may be able to break out of its sandbox. Apple's fix: This issue was addressed with improved permissions checking. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112498quarantine
In quarantine: An app may be able to break out of its sandbox. Apple's fix: An access issue was addressed with additional sandbox restrictions. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112508udf
In udf: An app may be able to cause unexpected system termination or read kernel memory. Apple's fix: An out-of-bounds read was addressed with improved bounds checking. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112510smbx
In smbx: A remote attacker may be able to cause a denial-of-service. Apple's fix: An out-of-bounds write issue was addressed with improved bounds checking. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112512System Settings
In System Settings: An app may be able to bypass Gatekeeper checks. Apple's fix: A path handling issue was addressed with improved validation. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112513Printing
In Printing: An app may be able to break out of its sandbox. Apple's fix: This issue was addressed with improved validation of symlinks. Fixed in macOS Golden Gate 27.2.
- This weekMacOctober 26, 2026
CVE-2026-112514Kernel
In Kernel: An attacker may be able to cause unexpected system termination or corrupt kernel memory. Apple's fix: A use-after-free issue was addressed with improved memory management. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112515IOHIDFamily
In IOHIDFamily: An attacker may be able to cause unexpected system termination or read kernel memory. Apple's fix: An out-of-bounds read was addressed with improved bounds checking. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112517Kernel
In Kernel: An app may be able to cause unexpected system termination or corrupt kernel memory. Apple's fix: A use after free issue was addressed with improved memory management. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112524udf
In udf: An app may be able to cause unexpected system termination or corrupt kernel memory. Apple's fix: A use-after-free issue was addressed with improved memory management. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112525APFS
In APFS: An app may be able to cause unexpected system termination or read kernel memory. Apple's fix: An out-of-bounds read was addressed with improved bounds checking. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112526smbx
In smbx: A remote attacker may be able to cause unexpected app termination. Apple's fix: A buffer overflow was addressed with improved bounds checking. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112530CVMS
In CVMS: An app may be able to gain root privileges. Apple's fix: A logic issue was addressed with improved checks. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112532Kernel
In Kernel: An app may be able to cause unexpected system termination or corrupt kernel memory. Apple's fix: The issue was addressed with improved memory handling. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112536APFS
In APFS: An app may be able to cause unexpected system termination or write kernel memory. Apple's fix: An out-of-bounds write issue was addressed with improved bounds checking. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112541StorageKit
In StorageKit: An app may be able to gain root privileges. Apple's fix: A parsing issue in the handling of directory paths was addressed with improved path validation. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112543Kernel
In Kernel: A malicious app may be able to break out of its sandbox. Apple's fix: A race condition was addressed with additional validation. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112545configd
In configd: An app may be able to gain root privileges. Apple's fix: A parsing issue in the handling of directory paths was addressed with improved path validation. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112548StorageKit
In StorageKit: An app may be able to gain root privileges. Apple's fix: A use after free issue was addressed with improved memory management. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112554IOStorageFamily
In IOStorageFamily: An app may be able to cause unexpected system termination or read kernel memory. Apple's fix: An out-of-bounds read was addressed with improved bounds checking. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112555zsh
In zsh: A malicious app may be able to break out of its sandbox. Apple's fix: A validation issue was addressed with improved input sanitization. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112556System Settings
In System Settings: An attacker may tamper with code-signed applications to execute arbitrary code in the application's context. Apple's fix: A race condition was addressed with additional validation. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112562Printing
In Printing: A malicious app may be able to break out of its sandbox. Apple's fix: A parsing issue in the handling of directory paths was addressed with improved path validation. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112568ArchiveService
In ArchiveService: Processing a maliciously crafted file may bypass Gatekeeper checks. Apple's fix: A logic issue was addressed with improved checks. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112569quarantine
In quarantine: An app may be able to break out of its sandbox. Apple's fix: An access issue was addressed with additional sandbox restrictions. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112570DiskArbitration
In DiskArbitration: An app may be able to break out of its sandbox. Apple's fix: An access issue was addressed with additional sandbox restrictions. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112593GPU Drivers
In GPU Drivers: An app may be able to cause unexpected system termination or write kernel memory. Apple's fix: An out-of-bounds write issue was addressed with improved bounds checking. Fixed in macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- This weekMacOctober 26, 2026
CVE-2026-112607mDNSResponder
In mDNSResponder: A remote attacker may be able to leak memory. Apple's fix: An out-of-bounds read was addressed with improved bounds checking. Fixed in macOS Golden Gate 27.2.
- This weekMacOctober 26, 2026
CVE-2026-112623WebKit
In WebKit: Processing maliciously crafted web content may lead to arbitrary code execution. Apple's fix: A use-after-free issue was addressed with improved memory management. Fixed in macOS Golden Gate 27.2.
- This weekMacOctober 26, 2026
CVE-2026-112626WebKit JavaScript Bindings
In WebKit JavaScript Bindings: Processing maliciously crafted web content may lead to arbitrary code execution. Apple's fix: A use-after-free issue was addressed with improved memory management. Fixed in macOS Golden Gate 27.2.
- This weekMacOctober 26, 2026
CVE-2026-112637WebKit Canvas
In WebKit Canvas: Processing maliciously crafted web content may lead to arbitrary code execution. Apple's fix: A use-after-free issue was addressed with improved memory management. Fixed in macOS Golden Gate 27.2.
- This weekMacOctober 26, 2026
CVE-2026-112639WebKit Process Model
In WebKit Process Model: Processing maliciously crafted web content may lead to arbitrary code execution. Apple's fix: A use-after-free issue was addressed with improved memory management. Fixed in macOS Golden Gate 27.2.
- This weekMacOctober 26, 2026
CVE-2026-112651WebKit
In WebKit: Processing maliciously crafted web content may lead to arbitrary code execution. Apple's fix: A use-after-free issue was addressed with improved memory management. Fixed in macOS Golden Gate 27.2.
- This weekMacOctober 26, 2026
CVE-2026-112655WebKit
In WebKit: Processing maliciously crafted web content may lead to arbitrary code execution. Apple's fix: A use-after-free issue was addressed with improved memory management. Fixed in macOS Golden Gate 27.2.
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.