Mac · Apple · released July 27, 2026
Apple macOS security updates, July 27, 2026: every vulnerability, rated
Apple fixed 199 macOS vulnerabilities on July 27, 2026, in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8. None was reported as exploited when it was published. 72 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
- 199
- Patch now
- 0
- This week
- 72
- Normal cycle
- 73
- Low
- 54
Fixed in: macOS Tahoe 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8Apple security notes Apple security notes Apple security notes
Page 1 of 4 · sorted by risk, then score
This week60 on this page
- This weekMacJuly 27, 2026
CVE-2026-23918apache
EPSS 0.50
In apache: A remote attacker may be able to cause a denial-of-service. Apple's fix: This is a vulnerability in open source code and Apple Software is among the affected projects. The CVE-ID was assigned by a third party. Learn more about the issue and CVE-ID at cve.org. EPSS score 0.50, the modelled probability of exploitation activity in the next 30 days. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-28849BOM
In BOM: A maliciously crafted ZIP archive may bypass Gatekeeper checks. Apple's fix: The issue was addressed with improved checks. Fixed in macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-28896ppp
In ppp: An attacker may be able to cause unexpected system termination or read kernel memory. Apple's fix: The issue was addressed with improved memory handling. Fixed in macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-28899CoreServices
In CoreServices: An app may bypass Gatekeeper checks. Apple's fix: A logic issue was addressed with improved checks. Fixed in macOS Tahoe 26.6, macOS Golden Gate 27, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- This weekMacJuly 27, 2026
CVE-2026-28900libarchive
In libarchive: A maliciously crafted ZIP archive may bypass Gatekeeper checks. Apple's fix: A file quarantine bypass was addressed with additional checks. Fixed in macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-28912PackageKit
In PackageKit: A user may be able to elevate privileges. Apple's fix: A logic issue was addressed with improved restrictions. Fixed in macOS Tahoe 26.6 and macOS Sequoia 15.7.8.
- This weekMacJuly 27, 2026
CVE-2026-28914zip
In zip: A maliciously crafted ZIP archive may bypass Gatekeeper checks. Apple's fix: A logic issue was addressed with improved file handling. Fixed in macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-28926Disk Images
In Disk Images: An app may be able to elevate privileges. Apple's fix: A race condition was addressed with improved state handling. Fixed in macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-28931Kernel
In Kernel: Connecting to a malicious NFS server may lead to kernel memory corruption. Apple's fix: A buffer overflow was addressed with improved bounds checking. Fixed in macOS Tahoe 26.6.
- This weekMacJuly 27, 2026
CVE-2026-28973libc
In libc: A malicious app may be able to break out of its sandbox. Apple's fix: An integer overflow was addressed with improved input validation. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-28981HFS
In HFS: Processing a maliciously crafted image may lead to arbitrary code execution. Apple's fix: A buffer overflow was addressed with improved bounds checking. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-28982Kernel
In Kernel: A remote user 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 Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-28983LaunchServices
In LaunchServices: A remote attacker may be able to cause a denial of service. Apple's fix: A type confusion issue was addressed with improved checks. Fixed in macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-39868Kernel
In Kernel: An app may be able to cause unexpected system termination or corrupt kernel memory. Apple's fix: This issue was addressed with improved input validation. Fixed in macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-39874Remote Management
In Remote Management: A malicious app may be able to gain root privileges. Apple's fix: A permissions issue was addressed with additional restrictions. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-39875CUPS
In CUPS: A malicious app may be able to gain root privileges. Apple's fix: A permissions issue was addressed with additional restrictions. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-39877IOSkywalkFamily
In IOSkywalkFamily: An app may be able to disclose kernel memory. Apple's fix: A memory corruption issue was addressed with improved memory handling. Fixed in macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-43681AppleRAID
In AppleRAID: A local user may be able to read kernel memory. Apple's fix: A buffer overflow was addressed with improved bounds checking. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-43682HFS
In HFS: A remote user 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 Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-43693Core Services
In Core Services: An app may be able to gain root privileges. Apple's fix: A race condition was addressed with improved state handling. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-43694quarantine
In quarantine: An app may be able to cause unexpected system termination or write kernel memory. Apple's fix: The issue was addressed with improved memory handling. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-43698CUPS
In CUPS: An app may be able to gain root privileges. Apple's fix: An injection issue was addressed with improved validation. Fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Golden Gate 27 and macOS Tahoe 26.7.
- This weekMacJuly 27, 2026
CVE-2026-43710HFS
In HFS: An 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 Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-43723MediaRemote
In MediaRemote: An app may be able to gain root privileges. Apple's fix: A path handling issue was addressed with improved validation. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-43724Kernel
In Kernel: An app may be able to cause unexpected system termination or write kernel memory. Apple's fix: The issue was addressed with improved input sanitization. Fixed in macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-43749Accounts
In Accounts: 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 Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-43750Wi‑Fi
In Wi‑Fi: An app may be able to execute arbitrary code out of its sandbox or with certain elevated privileges. Apple's fix: A buffer overflow was addressed with improved bounds checking. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-43755SecurityAgent
In SecurityAgent: An app may be able to gain root privileges. Apple's fix: A race condition was addressed with improved state management. Fixed in macOS Tahoe 26.6 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-43772NetFSFramework
In NetFSFramework: An app may be able to break out of its sandbox. Apple's fix: A path traversal issue was addressed with improved input validation. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-43773HFS
In HFS: Mounting a maliciously crafted disk image 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 Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-43776AppleDouble
In AppleDouble: Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution. Apple's fix: A buffer overflow was addressed with improved bounds checking. Fixed in macOS Tahoe 26.6 and macOS Sequoia 15.7.8.
- This weekMacJuly 27, 2026
CVE-2026-43777Screen Sharing Server
In Screen Sharing Server: A remote attacker may be able to cause a denial of service. Apple's fix: This issue was addressed with improved input validation. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-43778Kernel
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 Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-43783DesktopServices
In DesktopServices: A malicious app may be able to gain root privileges. Apple's fix: A race condition was addressed with improved locking. Fixed in macOS Tahoe 26.6.
- This weekMacJuly 27, 2026
CVE-2026-43803CoreAudio
In CoreAudio: A remote attacker 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 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-43805IOKit
In IOKit: An app may be able to cause unexpected system termination or write kernel memory. Apple's fix: A race condition was addressed with improved state handling. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-43810Kernel
In Kernel: A remote user 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 Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-43815afpfs
In afpfs: Connecting to a malicious afpfs server may lead to kernel memory corruption. Apple's fix: A buffer overflow was addressed with improved bounds checking. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-43818ImageIO
In ImageIO: Processing a maliciously crafted image may lead to arbitrary code execution. Apple's fix: An integer overflow was addressed with improved input validation. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-64695APFS
In APFS: A remote user 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 Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-64697HFS
In HFS: 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 Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-64698cd9660
In cd9660: An app may be able to cause unexpected system termination or read kernel memory. Apple's fix: The issue was addressed with improved memory handling. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-64699WebDAV
In WebDAV: An app may be able to disclose kernel memory. Apple's fix: A memory initialization issue was addressed with improved memory handling. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-64701CUPS
In CUPS: A malicious app may be able to gain root privileges. Apple's fix: A permissions issue was addressed with additional restrictions. Fixed in macOS Tahoe 26.6 and macOS Sequoia 15.7.8.
- This weekMacJuly 27, 2026
CVE-2026-64702Audio
In Audio: 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 Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-64705HFS
In HFS: An app may be able to cause unexpected system termination or write kernel memory. Apple's fix: A buffer overflow was addressed with improved bounds checking. Fixed in macOS Tahoe 26.6.
- This weekMacJuly 27, 2026
CVE-2026-64708DesktopServices
In DesktopServices: An app may bypass Gatekeeper checks. Apple's fix: A file quarantine bypass was addressed with additional checks. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-64709Kernel
In Kernel: An app may be able to disclose kernel memory. Apple's fix: The issue was addressed with improved memory handling. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-64717Kernel
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 Tahoe 26.6 and macOS Sequoia 15.7.8.
- This weekMacJuly 27, 2026
CVE-2026-64731Printing
In Printing: A malicious 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 Tahoe 26.6 and macOS Sequoia 15.7.8.
- This weekMacJuly 27, 2026
CVE-2026-64735Kernel
In Kernel: A remote attacker may be able to bypass network filters. Apple's fix: An inconsistent user interface issue was addressed with improved state management. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-64737Apple Account
In Apple Account: A malicious 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 Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-64738Maps
In Maps: 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 Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-64740Game Center
In Game Center: 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 Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-64744Kernel
In Kernel: An app may be able to disclose kernel memory. Apple's fix: An information leakage was addressed with additional validation. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-64747AVEVideoEncoder
In AVEVideoEncoder: An app may be able to execute arbitrary code with kernel privileges. Apple's fix: A buffer overflow was addressed with improved size validation. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-64749Kernel
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 Tahoe 26.6 and macOS Sequoia 15.7.8.
- This weekMacJuly 27, 2026
CVE-2026-64751Kernel
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 Tahoe 26.6.
- This weekMacJuly 27, 2026
CVE-2026-64763SceneKit
In SceneKit: Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution. Apple's fix: An out-of-bounds write issue was addressed by removing the vulnerable code. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-64764SceneKit
In SceneKit: Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution. Apple's fix: An out-of-bounds write issue was addressed with improved bounds checking. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
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.