Mac · Apple · released September 14, 2026
Apple macOS security updates, September 14, 2026: every vulnerability, rated
Apple fixed 201 macOS vulnerabilities on September 14, 2026, in macOS Golden Gate 27, macOS Tahoe 26.7 and macOS Sequoia 15.8. None was reported as exploited when it was published. 60 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
- 201
- Patch now
- 0
- This week
- 60
- Normal cycle
- 89
- Low
- 52
Fixed in: macOS Golden Gate 27, macOS Tahoe 26.7, macOS Sequoia 15.8Apple security notes Apple security notes Apple security notes
Page 1 of 4 · sorted by risk, then score
This week60 on this page
- This weekMacSeptember 14, 2026
CVE-2026-28968Kernel
In Kernel: 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, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-43684Kernel
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 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-43686Kernel
In Kernel: Connecting to a malicious NFS server may lead to kernel memory corruption. Apple's fix: A use-after-free issue was addressed with improved memory management. Fixed in macOS Golden Gate 27, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-43687Kernel
In Kernel: Connecting to a malicious NFS server may disclose kernel memory. Apple's fix: The issue was addressed with improved memory handling. Fixed in macOS Golden Gate 27 and macOS Tahoe 26.7.
- This weekMacSeptember 14, 2026
CVE-2026-43689Kernel
In Kernel: A malicious app may be able to gain root privileges. Apple's fix: A permissions issue was addressed with additional restrictions. Fixed in macOS Golden Gate 27.
- This weekMacSeptember 14, 2026
CVE-2026-43690SMB
In SMB: A local user may be able to read kernel memory. Apple's fix: A race condition was addressed with improved locking. Fixed in macOS Golden Gate 27, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-43691CUPS
In CUPS: 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, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-43692CUPS
In CUPS: A remote user may cause an unexpected app termination or arbitrary code execution. Apple's fix: A validation issue was addressed with improved input sanitization. Fixed in macOS Golden Gate 27, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-43786CoreServices
In CoreServices: An app may be able to gain root privileges. Apple's fix: This issue was addressed with additional entitlement checks. Fixed in macOS Golden Gate 27, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-43790Kernel
In Kernel: A remote attacker 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, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-64712odproxyd
In odproxyd: An app may be able to gain root privileges. Apple's fix: This issue was addressed with improved checks. Fixed in macOS Golden Gate 27, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-64752CoreMedia
In CoreMedia: Processing a maliciously crafted image may lead to arbitrary code execution. Apple's fix: A memory corruption issue was addressed by removing the vulnerable code. Fixed in macOS Golden Gate 27.
- This weekMacSeptember 14, 2026
CVE-2026-65354iWork
In iWork: A malicious app may be able to break out of its sandbox. Apple's fix: A permissions issue was addressed with additional restrictions. Fixed in macOS Golden Gate 27.
- This weekMacSeptember 14, 2026
CVE-2026-65359Kernel
In Kernel: A local user 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, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-65362Disk Images
In Disk Images: An app may be able to gain root privileges. Apple's fix: This issue was addressed with improved checks. Fixed in macOS Golden Gate 27, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-65364Kernel
In Kernel: A remote attacker 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, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-65365SMB
In SMB: Connecting to a malicious SMB share may disclose kernel memory. Apple's fix: An out-of-bounds read was addressed with improved bounds checking. Fixed in macOS Golden Gate 27, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-65369Kernel
In Kernel: A malicious application may bypass Gatekeeper checks. Apple's fix: A logic issue was addressed with improved state management. Fixed in macOS Golden Gate 27, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-65381AppleMobileFileIntegrity
In AppleMobileFileIntegrity: A malicious app may be able to break out of its sandbox. Apple's fix: A validation issue existed in the entitlement verification. This issue was addressed with improved validation of the process entitlement. Fixed in macOS Golden Gate 27, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-65383System Settings
In System Settings: An app may bypass Gatekeeper checks. Apple's fix: This issue was addressed with improved checks. Fixed in macOS Golden Gate 27.
- This weekMacSeptember 14, 2026
CVE-2026-65398IOMobileFrameBuffer
In IOMobileFrameBuffer: An app may be able to cause unexpected system termination or corrupt kernel memory. Apple's fix: An out-of-bounds access issue was addressed with improved bounds checking. Fixed in macOS Golden Gate 27.
- This weekMacSeptember 14, 2026
CVE-2026-65399copyfile
In copyfile: An archive may be able to bypass Gatekeeper. Apple's fix: A file quarantine bypass was addressed with additional checks. Fixed in macOS Golden Gate 27, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-65405Kernel
In Kernel: An app may be able to determine kernel memory layout. Apple's fix: A memory initialization issue was addressed with improved memory handling. Fixed in macOS Golden Gate 27, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-65414Bluetooth
EPSS 0.01
In Bluetooth: A remote attacker may be able to cause unexpected app termination or arbitrary code execution. Apple's fix: An out-of-bounds write issue was addressed with improved bounds checking. EPSS score 0.01, the modelled probability of exploitation activity in the next 30 days. Fixed in macOS Golden Gate 27, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-65415Kernel
In Kernel: A local user may be able to cause unexpected system termination or read kernel memory. Apple's fix: A race condition was addressed with additional validation. Fixed in macOS Golden Gate 27.
- This weekMacSeptember 14, 2026
CVE-2026-84505Directory Utility
In Directory Utility: An app may be able to gain root privileges. Apple's fix: An out-of-bounds write issue was addressed with improved bounds checking. Fixed in macOS Golden Gate 27, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-84506udf
In udf: An app may be able to execute arbitrary code with kernel privileges. Apple's fix: A use after free issue was addressed with improved memory management. Fixed in macOS Golden Gate 27, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-84507Kernel
In Kernel: 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, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-84512Disk Images
In Disk Images: Mounting a maliciously crafted disk image may cause unexpected system termination or corrupt kernel memory. Apple's fix: A buffer overflow was addressed with improved bounds checking. Fixed in macOS Golden Gate 27, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-84515SMB
In SMB: Connecting to a malicious SMB server may lead to kernel memory corruption. Apple's fix: An out-of-bounds write issue was addressed with improved bounds checking. Fixed in macOS Golden Gate 27, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-84520AppleFDEKeyStore
In AppleFDEKeyStore: A local attacker may be able to cause unexpected system termination or corrupt kernel memory. Apple's fix: A buffer overflow was addressed with improved size validation. Fixed in macOS Golden Gate 27.
- This weekMacSeptember 14, 2026
CVE-2026-84523APFS
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, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-84530Kernel
In Kernel: An app may be able to disclose kernel memory. Apple's fix: An information disclosure issue was addressed with improved memory management. Fixed in macOS Golden Gate 27 and macOS Tahoe 26.7.
- This weekMacSeptember 14, 2026
CVE-2026-84535Automator
In Automator: An app may be able to break out of its sandbox. Apple's fix: An authorization issue was addressed with improved state management. Fixed in macOS Golden Gate 27, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-84537SMB
In SMB: 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, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-84538Kernel
In Kernel: A remote attacker 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, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-84543SMB
In SMB: Connecting to a malicious SMB server may cause unexpected system termination or corrupt kernel memory. Apple's fix: An out-of-bounds access issue was addressed with improved bounds checking. Fixed in macOS Golden Gate 27, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-84544Kernel
In Kernel: Connecting to a malicious NFS server may cause unexpected system termination or corrupt kernel memory. Apple's fix: An integer overflow was addressed with improved input validation. Fixed in macOS Golden Gate 27, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-84549Kernel
In Kernel: Connecting to a malicious NFS server may cause unexpected system termination or corrupt kernel memory. Apple's fix: An out-of-bounds read was addressed with improved bounds checking. Fixed in macOS Golden Gate 27, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-84553smbx
In smbx: A remote attacker may be able to cause a denial-of-service. Apple's fix: A resource exhaustion issue was addressed with improved input validation. Fixed in macOS Golden Gate 27, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-84561Kernel
In Kernel: An app may be able to cause unexpected system termination or corrupt kernel memory. Apple's fix: A double free issue was addressed with improved memory management. Fixed in macOS Golden Gate 27, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-84566Kernel
In Kernel: A local attacker 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, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-84568autofs
In autofs: An attacker with control of a network directory server may be able to execute arbitrary code with root privileges. Apple's fix: A path traversal issue was addressed with improved path validation. Fixed in macOS Golden Gate 27, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-84570autofs
In autofs: An app may be able to bypass Gatekeeper checks. Apple's fix: A logic issue was addressed with improved checks. Fixed in macOS Golden Gate 27, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-84572udf
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, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-84578quarantine
In quarantine: An app may be able to break out of its sandbox. Apple's fix: A logic issue was addressed with improved checks. Fixed in macOS Golden Gate 27, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-84580quarantine
In quarantine: An app may be able to break out of its sandbox. Apple's fix: The issue was addressed with improved checks. Fixed in macOS Golden Gate 27, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-84581HFS
In HFS: Mounting a maliciously crafted disk image may cause unexpected system termination or corrupt kernel memory. Apple's fix: A buffer overflow was addressed with improved bounds checking. Fixed in macOS Golden Gate 27, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-84584Archive Utility
In Archive Utility: An app may be able to break out of its sandbox. Apple's fix: This issue was addressed with improved handling of symlinks. Fixed in macOS Golden Gate 27.
- This weekMacSeptember 14, 2026
CVE-2026-84588Kernel
In Kernel: Mounting a maliciously crafted disk image may cause unexpected system termination or corrupt kernel memory. Apple's fix: A memory corruption issue was addressed by removing the vulnerable code. Fixed in macOS Golden Gate 27.
- This weekMacSeptember 14, 2026
CVE-2026-84607AVEVideoEncoder
In AVEVideoEncoder: A sandboxed app may be able to execute arbitrary code with kernel privileges. Apple's fix: A race condition was addressed with improved state management. Fixed in macOS Golden Gate 27, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-84619Kernel
In Kernel: 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, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-84622Kernel
In Kernel: An app with root privileges may be able to read uninitialized kernel memory. Apple's fix: A memory initialization issue was addressed with improved memory handling. Fixed in macOS Golden Gate 27, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacSeptember 14, 2026
CVE-2026-84631Bluetooth
In Bluetooth: An app may be able to gain root privileges. Apple's fix: This issue was addressed with additional entitlement checks. Fixed in macOS Golden Gate 27.
- This weekMacSeptember 14, 2026
CVE-2026-86894libxpc
In libxpc: An app may be able to break out of its sandbox. Apple's fix: A logic issue was addressed with improved checks. Fixed in macOS Golden Gate 27.
- This weekMacSeptember 14, 2026
CVE-2026-86900exFAT
In exFAT: Mounting a maliciously crafted exFAT volume may cause unexpected system termination or kernel memory disclosure. Apple's fix: An out-of-bounds read issue was addressed with improved input validation. Fixed in macOS Golden Gate 27.
- This weekMacSeptember 14, 2026
CVE-2026-86901exFAT
In exFAT: Mounting a maliciously crafted exFAT volume may cause unexpected system termination or kernel memory disclosure. Apple's fix: An out-of-bounds write issue was addressed with improved bounds checking. Fixed in macOS Golden Gate 27.
- This weekMacSeptember 14, 2026
CVE-2026-86903Kernel
In Kernel: An app may be able to disclose kernel memory. Apple's fix: An out-of-bounds read was addressed with improved input validation. Fixed in macOS Golden Gate 27.
- This weekMacSeptember 14, 2026
CVE-2026-86909System Settings
In System Settings: An app may be able to bypass Gatekeeper checks. Apple's fix: A logic issue was addressed with improved state management. Fixed in macOS Golden Gate 27.
- This weekMacSeptember 14, 2026
CVE-2026-86917Kernel
In Kernel: An app may be able to gain root privileges. Apple's fix: A permissions issue was addressed with additional restrictions. Fixed in macOS Golden Gate 27, macOS Tahoe 26.7 and macOS Sequoia 15.8.
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.