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 2 of 4 · sorted by risk, then score
This week12 on this page
- This weekMacJuly 27, 2026
CVE-2026-64765SceneKit
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.
- This weekMacJuly 27, 2026
CVE-2026-64766SceneKit
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.
- This weekMacJuly 27, 2026
CVE-2026-64767afpfs
In afpfs: A remote attacker may be able to cause unexpected system termination or corrupt 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-2026-64768Model I/O
In Model I/O: A remote attacker may cause an unexpected app termination. Apple's fix: An out-of-bounds read 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-2026-64769Model I/O
In Model I/O: A remote attacker may be able to cause unexpected application termination or heap corruption. 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-2026-64770Model I/O
In Model I/O: A remote attacker may be able to cause unexpected application termination or heap corruption. 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-2026-64771Model I/O
In Model I/O: A remote attacker may be able to cause unexpected application termination or heap corruption. 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-2026-64772Model I/O
In Model I/O: A remote attacker may be able to cause unexpected application termination or heap corruption. Apple's fix: An out-of-bounds write issue was addressed with improved input validation. Fixed in macOS Tahoe 26.6 and macOS Sequoia 15.7.8.
- This weekMacJuly 27, 2026
CVE-2026-64774Model I/O
In Model I/O: A remote attacker may be able to cause unexpected application termination or heap corruption. 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-2026-64776Disk Images
In Disk Images: An app may be able to disclose kernel memory. Apple's fix: The issue was addressed with improved bounds checks. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- This weekMacJuly 27, 2026
CVE-2026-65357Kernel
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 memory handling. Fixed in macOS Tahoe 26.6.
- This weekMacJuly 27, 2026
CVE-2026-65371Kernel
In Kernel: An app may be able to disclose kernel memory. Apple's fix: This issue was addressed with improved redaction of sensitive information. Fixed in macOS Tahoe 26.6 and macOS Sequoia 15.8.
Normal cycle48 on this page · tap one for its risk review
- Normal cycleMacJuly 27, 2026
CVE-2025-14017curl
In curl: Multiple issues in curl. 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. Fixed in macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- Normal cycleMacJuly 27, 2026
CVE-2025-14819curl
In curl: Multiple issues in curl. 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. Fixed in macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- Normal cycleMacJuly 27, 2026
CVE-2025-43325Icons
In Icons: An app may be able to access sensitive user data. Apple's fix: An access issue was addressed with additional sandbox restrictions. Fixed in macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- Normal cycleMacJuly 27, 2026
CVE-2026-20672LaunchServices
In LaunchServices: An app may be able to access sensitive user data. Apple's fix: An information disclosure issue was addressed with improved privacy controls. Fixed in macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- Normal cycleMacJuly 27, 2026
CVE-2026-28836Find My
In Find My: An attacker with physical access may be able to silently persist an Apple Account on an erased device. Apple's fix: A correctness issue was addressed with improved checks. Fixed in macOS Sonoma 14.8.8.
- Normal cycleMacJuly 27, 2026
CVE-2026-28911Metal
In Metal: A malicious app may be able to corrupt memory of a system process. Apple's fix: The issue was addressed with improved memory handling. Fixed in macOS Tahoe 26.6 and macOS Sonoma 14.8.8.
- Normal cycleMacJuly 27, 2026
CVE-2026-28945Disk Images
In Disk Images: An app may be able to bypass network restrictions. Apple's fix: A permissions issue was addressed with additional sandbox restrictions. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- Normal cycleMacJuly 27, 2026
CVE-2026-28961Network Extensions
In Network Extensions: An attacker with physical access to a locked device may be able to view sensitive user information. Apple's fix: This issue was addressed with improved checks. Fixed in macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- Normal cycleMacJuly 27, 2026
CVE-2026-3783curl
In curl: Authentication credentials may be sent to a server on another origin. 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. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- Normal cycleMacJuly 27, 2026
CVE-2026-3784curl
In curl: Authentication credentials may be sent to a server on another origin. 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. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- Normal cycleMacJuly 27, 2026
CVE-2026-43661ImageIO
In ImageIO: Processing a maliciously crafted image may corrupt process memory. Apple's fix: A buffer overflow issue was addressed with improved memory handling. Fixed in macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- Normal cycleMacJuly 27, 2026
CVE-2026-43665Screen Sharing Server
In Screen Sharing Server: A local attacker may be able to determine the legacy VNC password configured for Screen Sharing. Apple's fix: This issue was addressed with additional entitlement checks. Fixed in macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- Normal cycleMacJuly 27, 2026
CVE-2026-43672Assets
In Assets: A malicious application may be able to bypass Privacy preferences. 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.
- Normal cycleMacJuly 27, 2026
CVE-2026-43673CoreAudio
In CoreAudio: Processing a maliciously crafted audio file may corrupt process 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.
- Normal cycleMacJuly 27, 2026
CVE-2026-43703libxslt
In libxslt: Processing maliciously crafted web content may lead to an unexpected process crash. Apple's fix: The issue was addressed with improved memory handling. Fixed in macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- Normal cycleMacJuly 27, 2026
CVE-2026-43706libxslt
In libxslt: Processing maliciously crafted web content may lead to an unexpected process crash. Apple's fix: A double free issue was addressed with improved memory management. Fixed in macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- Normal cycleMacJuly 27, 2026
CVE-2026-43714Foundation
In Foundation: A malicious app may be able to access protected user data. Apple's fix: The issue was addressed with improved input sanitization. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- Normal cycleMacJuly 27, 2026
CVE-2026-43722Kernel
In Kernel: An app may be able to leak sensitive kernel state. Apple's fix: The issue was addressed with improved input sanitization. Fixed in macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- Normal cycleMacJuly 27, 2026
CVE-2026-43728Security
In Security: An attacker may be able to modify the state of the Keychain. Apple's fix: This issue was addressed through improved state management. Fixed in macOS Tahoe 26.6.
- Normal cycleMacJuly 27, 2026
CVE-2026-43729Model I/O
In Model I/O: Processing a maliciously crafted image may corrupt process memory. Apple's fix: The issue was addressed with improved memory handling. Fixed in macOS Tahoe 26.6 and macOS Sequoia 15.7.8.
- Normal cycleMacJuly 27, 2026
CVE-2026-43730AuthKit
In AuthKit: An app may be able to fingerprint the user. Apple's fix: A permissions issue was addressed with additional restrictions. Fixed in macOS Tahoe 26.6.
- Normal cycleMacJuly 27, 2026
CVE-2026-43733Model I/O
In Model I/O: Processing a maliciously crafted image may corrupt process memory. Apple's fix: The issue was addressed with improved memory handling. Fixed in macOS Tahoe 26.6 and macOS Sequoia 15.7.8.
- Normal cycleMacJuly 27, 2026
CVE-2026-43738CoreUI
In CoreUI: Processing a maliciously crafted asset catalog may result in disclosure of process memory. Apple's fix: The issue was addressed with improved memory handling. Fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8 and macOS Golden Gate 27.
- Normal cycleMacJuly 27, 2026
CVE-2026-43744CoreAudio
In CoreAudio: Processing an audio stream in a maliciously crafted media file may terminate the process. 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.
- Normal cycleMacJuly 27, 2026
CVE-2026-43753DriverKit
In DriverKit: An attacker with physical access to a locked device may be able to view sensitive user information. 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.
- Normal cycleMacJuly 27, 2026
CVE-2026-43754Kernel
In Kernel: An app may be able to leak sensitive kernel state. Apple's fix: This issue was addressed with improved redaction of sensitive information. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- Normal cycleMacJuly 27, 2026
CVE-2026-43756Control Center
In Control Center: An app may be able to access user-sensitive data. Apple's fix: A logic issue was addressed with improved validation. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- Normal cycleMacJuly 27, 2026
CVE-2026-43758Data Detectors UI
In Data Detectors UI: An app may be able to access sensitive user data. 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.
- Normal cycleMacJuly 27, 2026
CVE-2026-43759CoreMedia
In CoreMedia: An app may be able to access sensitive user data. Apple's fix: An authorization issue was addressed with improved state management. Fixed in macOS Tahoe 26.6.
- Normal cycleMacJuly 27, 2026
CVE-2026-43760Screen Sharing Server
In Screen Sharing Server: An app may be able to access user-sensitive data. Apple's fix: An access issue was addressed with improved access restrictions. Fixed in macOS Tahoe 26.6, macOS Sonoma 14.8.8 and macOS Tahoe 26.7.
- Normal cycleMacJuly 27, 2026
CVE-2026-43762Single Sign-On
In Single Sign-On: An app may be able to access user-sensitive data. Apple's fix: The issue was addressed with improved checks. Fixed in macOS Tahoe 26.6.
- Normal cycleMacJuly 27, 2026
CVE-2026-43763ATS
In ATS: An app may be able to read files outside of its sandbox. Apple's fix: A permissions issue was addressed by removing the vulnerable code. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.7 and macOS Sequoia 15.8.
- Normal cycleMacJuly 27, 2026
CVE-2026-43765PackageKit
In PackageKit: An app may be able to modify protected parts of the file system. Apple's fix: This issue was addressed with improved handling of symlinks. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- Normal cycleMacJuly 27, 2026
CVE-2026-43766LoginWindow
In LoginWindow: An attacker with physical access to a locked device may be able to view sensitive user information. 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.
- Normal cycleMacJuly 27, 2026
CVE-2026-43770StorageKit
In StorageKit: An app may be able to access sensitive user data. Apple's fix: A race condition was addressed with additional validation. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- Normal cycleMacJuly 27, 2026
CVE-2026-43774Spotlight
In Spotlight: An app may be able to access sensitive user data. 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.
- Normal cycleMacJuly 27, 2026
CVE-2026-43775CoreMedia
In CoreMedia: An app may be able to access sensitive user data. Apple's fix: An authorization issue was addressed with improved state management. Fixed in macOS Tahoe 26.6 and macOS Sequoia 15.7.8.
- Normal cycleMacJuly 27, 2026
CVE-2026-43779Screen Sharing Server
In Screen Sharing Server: An app may be able to intercept network connections intended for another process. Apple's fix: A logic issue was addressed with improved restrictions. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- Normal cycleMacJuly 27, 2026
CVE-2026-43781Apple Account
In Apple Account: An app may be able to access sensitive user data. 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.
- Normal cycleMacJuly 27, 2026
CVE-2026-43782Kernel
In Kernel: An app may be able to access sensitive user data. Apple's fix: This issue was addressed with improved checks. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- Normal cycleMacJuly 27, 2026
CVE-2026-43792Safari
In Safari: An app may be able to access sensitive user data. Apple's fix: An authorization issue was addressed with improved state management. Fixed in macOS Tahoe 26.6.
- Normal cycleMacJuly 27, 2026
CVE-2026-43796Game Center
In Game Center: An app may be able to access sensitive user data. Apple's fix: This issue was addressed with improved data protection. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- Normal cycleMacJuly 27, 2026
CVE-2026-43797Contacts
In Contacts: An app may be able to access information about a user's contacts. Apple's fix: This issue was addressed with improved checks. Fixed in macOS Tahoe 26.6.
- Normal cycleMacJuly 27, 2026
CVE-2026-43800Siri
In Siri: An app may be able to access sensitive user data. Apple's fix: An information disclosure issue was addressed by removing the vulnerable code. Fixed in macOS Tahoe 26.6.
- Normal cycleMacJuly 27, 2026
CVE-2026-43801App Store
In App Store: An app may be able to access sensitive user data. Apple's fix: This issue was addressed with improved checks. Fixed in macOS Tahoe 26.6, macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
- Normal cycleMacJuly 27, 2026
CVE-2026-43813CloudAttestation
In CloudAttestation: A maliciously crafted app may be able to bypass code signing enforcement. Apple's fix: A validation issue was addressed with improved input sanitization. Fixed in macOS Tahoe 26.6.
- Normal cycleMacJuly 27, 2026
CVE-2026-43819Accounts
In Accounts: An app may be able to access sensitive user data. Apple's fix: An access issue was addressed with additional sandbox restrictions. Fixed in macOS Tahoe 26.6.
- Normal cycleMacJuly 27, 2026
CVE-2026-43821WebKit
In WebKit: An app may be able to read files outside of its sandbox. Apple's fix: An access issue was addressed with improved access restrictions. Fixed in macOS Tahoe 26.6.
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.