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 5 of 5 · sorted by risk, then score
Low59 on this page · tap one for its risk review
- LowMacOctober 26, 2026
CVE-2026-112481Screen Sharing Server
In Screen Sharing Server: An attacker on the local network may be able to cause unexpected process termination 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.
- LowMacOctober 26, 2026
CVE-2026-112486Model I/O
In Model I/O: Processing a 3D model may lead to unexpected app termination. 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.
- LowMacOctober 26, 2026
CVE-2026-112491RealityKit
In RealityKit: Processing a maliciously crafted file may lead to unexpected app termination. 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.
- LowMacOctober 26, 2026
CVE-2026-112501Kernel
In Kernel: An app may be able to cause unexpected system termination. Apple's fix: A race condition was addressed with improved state handling. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- LowMacOctober 26, 2026
CVE-2026-112502Disk Images
In Disk Images: An app may be able to cause a denial-of-service. 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.
- LowMacOctober 26, 2026
CVE-2026-112516Kernel
In Kernel: An app may be able to cause unexpected system termination. 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.
- LowMacOctober 26, 2026
CVE-2026-112519Screen Sharing
In Screen Sharing: Connecting to a malicious VNC server may cause a denial-of-service. Apple's fix: An integer overflow was addressed with improved input validation. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- LowMacOctober 26, 2026
CVE-2026-112522libarchive
In libarchive: Processing a maliciously crafted file may lead to unexpected app termination. 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.
- LowMacOctober 26, 2026
CVE-2026-112529udf
In udf: An app may be able to cause unexpected system termination. 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.
- LowMacOctober 26, 2026
CVE-2026-112531AppleRAID
In AppleRAID: An app may be able to cause unexpected system termination. 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.
- LowMacOctober 26, 2026
CVE-2026-112540SceneKit
In SceneKit: Processing a maliciously crafted file may lead to unexpected app termination. Apple's fix: An integer overflow was addressed with improved input validation. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- LowMacOctober 26, 2026
CVE-2026-112544AppleRAID
In AppleRAID: Mounting a malicious disk image may cause unexpected system termination. Apple's fix: An out-of-bounds write issue was addressed with improved bounds checking. Fixed in macOS Golden Gate 27.2.
- LowMacOctober 26, 2026
CVE-2026-112546Audio
In Audio: Processing a maliciously crafted file may lead to unexpected app termination. 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.
- LowMacOctober 26, 2026
CVE-2026-112550ncurses
In ncurses: An app may be able to cause a denial-of-service. Apple's fix: A type confusion 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.
- LowMacOctober 26, 2026
CVE-2026-112552SMB
In SMB: An attacker with control of a network file server may be able to cause unexpected system termination. 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.
- LowMacOctober 26, 2026
CVE-2026-112553Model I/O
In Model I/O: Processing a maliciously crafted file may lead to unexpected app termination. 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.
- LowMacOctober 26, 2026
CVE-2026-112563Model I/O
In Model I/O: Processing a maliciously crafted file may lead to unexpected app termination. 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.
- LowMacOctober 26, 2026
CVE-2026-112566Bluetooth
In Bluetooth: An attacker in physical proximity may be able to cause a denial-of-service. Apple's fix: A null pointer dereference was addressed with improved validation. Fixed in macOS Golden Gate 27.2 and macOS Tahoe 26.7.2.
- LowMacOctober 26, 2026
CVE-2026-112596HomeKit
In HomeKit: Processing a maliciously crafted video file may lead to unexpected system termination. Apple's fix: An integer overflow was addressed with improved bounds checking. Fixed in macOS Golden Gate 27.2.
- LowMacOctober 26, 2026
CVE-2026-112601Shortcuts
In Shortcuts: An app may be able to cause a denial-of-service. Apple's fix: An integer overflow was addressed with improved input validation. Fixed in macOS Sequoia 15.8.2.
- LowMacOctober 26, 2026
CVE-2026-112604CoreSymbolication
In CoreSymbolication: Processing a maliciously crafted file may lead to unexpected app termination. Apple's fix: An out-of-bounds read was addressed with improved bounds checking. Fixed in macOS Golden Gate 27.2 and macOS Tahoe 26.7.2.
- LowMacOctober 26, 2026
CVE-2026-112606Kernel
In Kernel: An app may be able to cause unexpected system termination. Apple's fix: A type confusion 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.
- LowMacOctober 26, 2026
CVE-2026-112614ImageIO
In ImageIO: Processing a maliciously crafted image may lead to unexpected app termination. Apple's fix: An out-of-bounds write issue was addressed with improved bounds checking. Fixed in macOS Golden Gate 27.2 and macOS Tahoe 26.7.2.
- LowMacOctober 26, 2026
CVE-2026-112615WebKit
In WebKit: Processing maliciously crafted web content may lead to an unexpected process termination. Apple's fix: A use-after-free issue was addressed with improved memory management. Fixed in macOS Golden Gate 27.2.
- LowMacOctober 26, 2026
CVE-2026-112620Wi-Fi
In Wi-Fi: An attacker in a privileged network position may be able to cause a denial-of-service. Apple's fix: A denial-of-service issue was addressed with improved input validation. Fixed in macOS Golden Gate 27.2.
- LowMacOctober 26, 2026
CVE-2026-112622Wi-Fi
In Wi-Fi: An attacker in radio range may be able to cause unexpected system termination. Apple's fix: An out-of-bounds read was addressed with improved bounds checking. Fixed in macOS Golden Gate 27.2 and macOS Tahoe 26.7.2.
- LowMacOctober 26, 2026
CVE-2026-112629ImageIO
In ImageIO: Processing a maliciously crafted image may lead to unexpected app termination. 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.
- LowMacOctober 26, 2026
CVE-2026-112633ImageIO
In ImageIO: Processing a maliciously crafted image may lead to unexpected app termination. 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.
- LowMacOctober 26, 2026
CVE-2026-112634ImageIO
In ImageIO: Processing a maliciously crafted image may lead to unexpected app termination. 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.
- LowMacOctober 26, 2026
CVE-2026-112638CoreAudio
In CoreAudio: An attacker in radio range may be able to cause unexpected system termination. Apple's fix: A heap 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.
- LowMacOctober 26, 2026
CVE-2026-112653WebKit
In WebKit: Processing maliciously crafted web content may lead to an unexpected process termination. Apple's fix: A use-after-free issue was addressed with improved memory management. Fixed in macOS Golden Gate 27.2.
- LowMacOctober 26, 2026
CVE-2026-112654WebKit
In WebKit: Processing maliciously crafted web content may lead to an unexpected process termination. Apple's fix: A use-after-free issue was addressed with improved memory management. Fixed in macOS Golden Gate 27.2.
- LowMacOctober 26, 2026
CVE-2026-112666WebKit
In WebKit: Processing maliciously crafted web content may lead to an unexpected process termination. Apple's fix: A use-after-free issue was addressed with improved memory management. Fixed in macOS Golden Gate 27.2.
- LowMacOctober 26, 2026
CVE-2026-112673WebKit
In WebKit: Processing maliciously crafted web content may lead to an unexpected process termination. Apple's fix: A type confusion issue was addressed with improved state handling. Fixed in macOS Golden Gate 27.2.
- LowMacOctober 26, 2026
CVE-2026-112683FontParser
In FontParser: Processing a maliciously crafted font may lead to unexpected app termination or corrupt process 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.
- LowMacOctober 26, 2026
CVE-2026-112686WebKit
In WebKit: Processing maliciously crafted web content may lead to an unexpected process termination. Apple's fix: A race condition was addressed with improved locking. Fixed in macOS Golden Gate 27.2.
- LowMacOctober 26, 2026
CVE-2026-112695WebKit
In WebKit: Processing maliciously crafted web content may lead to an unexpected process termination. Apple's fix: A use-after-free issue was addressed with improved memory management. Fixed in macOS Golden Gate 27.2.
- LowMacOctober 26, 2026
CVE-2026-112698Kernel
In Kernel: An app may be able to cause unexpected system termination. 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.
- LowMacOctober 26, 2026
CVE-2026-112705AVEVideoEncoder
In AVEVideoEncoder: An app may be able to cause unexpected system termination. 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.
- LowMacOctober 26, 2026
CVE-2026-112708CoreAudio
In CoreAudio: An app may be able to cause unexpected system termination or corrupt process 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.
- LowMacOctober 26, 2026
CVE-2026-113899ppp
In ppp: An app may be able to cause unexpected system termination. Apple's fix: The issue was addressed with improved checks. Fixed in macOS Golden Gate 27.2, macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- LowMacOctober 26, 2026
CVE-2026-113907CoreAudio
In CoreAudio: An app may be able to cause unexpected system termination or corrupt process memory. Apple's fix: A buffer overflow 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.
- LowMacOctober 26, 2026
CVE-2026-113912CoreAudio
In CoreAudio: Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory. Apple's fix: An out-of-bounds access 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.
- LowMacOctober 26, 2026
CVE-2026-113935CoreStorage
In CoreStorage: An app may be able to cause unexpected system termination. Apple's fix: An out-of-bounds read was addressed with improved bounds checking. Fixed in macOS Golden Gate 27.2.
- LowMacOctober 26, 2026
CVE-2026-113936CoreStorage
In CoreStorage: An app may be able to cause unexpected system termination. Apple's fix: An out-of-bounds read was addressed with improved bounds checking. Fixed in macOS Golden Gate 27.2.
- LowMacOctober 26, 2026
CVE-2026-113937CoreStorage
In CoreStorage: An app may be able to cause unexpected system termination. Apple's fix: An out-of-bounds read was addressed with improved bounds checking. Fixed in macOS Golden Gate 27.2.
- LowMacOctober 26, 2026
CVE-2026-113938CoreStorage
In CoreStorage: An app may be able to cause unexpected system termination. Apple's fix: An out-of-bounds read was addressed with improved bounds checking. Fixed in macOS Golden Gate 27.2.
- LowMacOctober 26, 2026
CVE-2026-113940CoreStorage
In CoreStorage: An app may be able to cause unexpected system termination. Apple's fix: An out-of-bounds read was addressed with improved bounds checking. Fixed in macOS Golden Gate 27.2.
- LowMacOctober 26, 2026
CVE-2026-113945CoreStorage
In CoreStorage: An app may be able to cause unexpected system termination. Apple's fix: An out-of-bounds read was addressed with improved bounds checking. Fixed in macOS Golden Gate 27.2.
- LowMacOctober 26, 2026
CVE-2026-113950CoreGraphics
In CoreGraphics: Processing a maliciously crafted font may lead to unexpected app termination or corrupt process memory. Apple's fix: An out-of-bounds write issue was addressed with improved bounds checking. Fixed in macOS Golden Gate 27.2.
- LowMacOctober 26, 2026
CVE-2026-28991Accelerate
In Accelerate: An app may be able to cause a denial-of-service. Apple's fix: An out-of-bounds read was addressed with improved bounds checking. Fixed in macOS Sequoia 15.8.2.
- LowMacOctober 26, 2026
CVE-2026-84539GPU Drivers
In GPU Drivers: An app may be able to cause unexpected system termination. Apple's fix: An out-of-bounds write issue was addressed with improved bounds checking. Fixed in macOS Tahoe 26.7.2.
- LowMacOctober 26, 2026
CVE-2026-84595Apple Neural Engine
In Apple Neural Engine: An app may be able to cause unexpected system termination. 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.
- LowMacOctober 26, 2026
CVE-2026-86942Heimdal
In Heimdal: An app may be able to cause a denial-of-service. Apple's fix: An out-of-bounds read was addressed with improved bounds checking. Fixed in macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- LowMacOctober 26, 2026
CVE-2026-86954ImageIO
In ImageIO: Processing a maliciously crafted image may lead to unexpected app termination. Apple's fix: An out-of-bounds read was addressed with improved bounds checking. Fixed in macOS Tahoe 26.7.2 and macOS Sequoia 15.8.2.
- LowMacOctober 26, 2026
CVE-2026-86964Kernel
In Kernel: An app may be able to cause unexpected system termination. Apple's fix: A null pointer dereference was addressed with improved input validation. Fixed in macOS Tahoe 26.7.2.
- LowMacOctober 26, 2026
CVE-2026-86971Accelerate Framework
In Accelerate Framework: Processing a maliciously crafted image may lead to unexpected app termination. 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.
- LowMacOctober 26, 2026
CVE-2026-86991SceneKit
In SceneKit: Processing a maliciously crafted file may lead to unexpected process 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.
- LowMacOctober 26, 2026
CVE-2026-86992CoreMedia
In CoreMedia: Processing a maliciously crafted video file may lead to unexpected app termination. 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.
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.