macOS Tahoe 26.6 (25G72) is now Available For All Users!
This article will be continually updated as new information comes in.
Apple’s release notes provide only a summary of the changes included in this update. As with previous macOS releases, many additional changes are uncovered through testing, system analysis, and comparing files between builds.
This article provides a detailed technical breakdown of macOS Tahoe 26.6, including new features, bug fixes, update sizes, firmware updates, security changes, developer updates, and other discoveries found while analyzing the release.
Apple mentions that the Tahoe 26.6 update will optimize the Spotlight index in preparation for macOS 27. Additionally a fix addressed where some notifications incorrectly displayed deprecation notices for some apps identified as Intel processor only. Also addressed was that HDR screenshots might appear garbled when sent in Messages.
Also of note, Apple fixed macOS 27 Golden Gate VM’s in the Tahoe 26.6 update. All previous versions would fail when you would try to build a macOS 27 VM.
AI credited in some of the Security Notes
Also of note is that this is the first time AI was credited with some of the security fixes. In three different CVE entries. Apple credits Anthropic researchers and Claude.
"In collaboration with Claude and Anthropic Research"HUGE Security update release breaks record!
The macOS Tahoe 26.6 update breaks the all‑time record for CVEs patched in a single macOS release, with a total of 155. Here’s a look back at how many CVEs were patched in each Tahoe update so far.
- 26.6 – 155
- 26.5 – 79
- 26.4 – 83
- 26.3 – 66
- 26.2 – 62
- 26.1 – 115
- 26.0 – 97
macOS Tahoe Patch Notes Summary
- 1. New Features – 2
- 2. Developer Documented Fixes – 3
- 3. Security Fixes – 155 CVE’s Patched
- 4. Enterprise Fixes – 5
- 5. Safari Security (Webkit) –
- 7. Full installer & IPSW – Both Released
- 8. OpenCore Legacy Patcher Users – NOT COMPATIBLE!
System Settings > Software Update:
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Full Apple Update Release list
Update List 💻📲 ✅
- Tahoe 26.6 (25G72)
- Sequoia 15.7.8 (24G822)
- Sonoma 14.8.8 (23J619)
- iOS/iPadOS 26.6 (23G71)
- iOS/iPadOS 18.7.9 (22H355) (remains the same)
- iPadOS 17.7.11 (21H461) (remains the same)
- iOS/iPadOS 16.7.16 (20H392) (remains the same)
- iOS/iPadOS 15.8.8 (19H422) (remains the same)
- watchOS 26.6 (23U67)
- homePodOS 26.6
- tvOS 26.6 (23L773)
- visionOS 26.6 (23O770)
- Studio Display Firmware 26.4 (23E246) (remains the same)
- Safari – 26.6 – (included in 26.6 but a separate install for Sequoia & Sonoma)
- Xcode – 26.6
- Command Line Tools for Xcode – 26.6
OpenCore Legacy Patcher for Unsupported Macs
OCLP 2.4.1 & macOS Tahoe 26.6 : DO NOT INSTALL! NOT COMPATIBLE YET. This release is in full testing and it is not recommended that you attempt to install it yet.!
OCLP 2.4.1 Testing Status =
Kernel Debug Kit (KDK) Status: = https://github.com/dortania/KdkSupportPkg/releases
Metallibsupport Status: = https://github.com/dortania/MetallibSupportPkg/releases
Security Vulnerabilities Patched
This is a list of all the CVE Security Vulnerabilities Patched:
- CVEs Patched
iOS 26.6 and iPadOS 26.6 – 87 CVEs Patched (no known active exploits)
macOS Tahoe 26.6 – 155 CVEs Patched (no known active exploits)
macOS Sequoia 15.7.8 – 138 CVEs Patched
macOS Sonoma 14.8.8 – 127 CVEs Patched
tvOS 26.6 – 100 CVEs Patched
watchOS 26.6 – 100 CVEs Patched
visionOS 26.6 – 99 CVEs Patched (edited)
Credit: Tony Young
Table of Contents
- 1. macOS Tahoe Apple Links
- 2. macOS Tahoe Release History
- 3. macOS Tahoe Full Installer.app
- 4. Apple Silicon macOS Tahoe IPSW Restore file Database
- 5. macOS Tahoe Update sizes
- 6. Apple Silicon System Firmware Version
- 7. Apple Silicon OS loader Version (iBoot)
- 8. Intel T2 BridgeOS Update
- 9. Intel T2 Firmware Update
- 10. Safari Update
- 10. Intel OS Loader Version
- 12. Apple Silicon macOS Recovery Version
- 13. What’s new for enterprise in macOS Tahoe
- 14. Security Content of macOS Tahoe
- 15. macOS Tahoe Release Notes / Patch Notes / Changes
- 16. macOS Tahoe Developer Release Notes
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