Windows 11 · 23H2 · Release · Security update (Patch Tuesday)
Windows 11, version 23H2 (22631.6491)
- Release
- KB5073455 — Microsoft's article, opens in a new tab
- amd64
Windows 11 23H2: Home/Pro servicing ended November 2025
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Known issues — reported on the forum
- Issue Windows 11 Shutdown Bug with System Guard Secure Launch Fix Timeline KB5073455
- Issue Windows 11 23H2 Shutdown Bug (KB5073455) and the KB5077797 Fix
- Issue Windows 11 KB5073455 Shutdown Bug With Secure Launch Gets OOB Fix
- Issue Windows 11 23H2 Restart on Shutdown Bug Tied to System Guard Secure Launch (KB5073455)
In the news
- Fix Windows 11 “Shut Down” Restarts After KB5073455: Secure Launch & VSM Fixes
- Issue Windows 11 Shutdown Bug with System Guard Secure Launch Fix Timeline KB5073455
- Fix Windows 11 January 2026 KB5074109/KB5073455 Regressions: Sleep Outlook RDP Fixes
- Issue Windows 11 23H2 Shutdown Bug (KB5073455) and the KB5077797 Fix
- Issue Windows 11 KB5073455 Shutdown Bug With Secure Launch Gets OOB Fix
- Issue Windows 11 23H2 Restart on Shutdown Bug Tied to System Guard Secure Launch (KB5073455)
- Fix Windows 11 2026 Patch Causes Restart on Shutdown With Secure Launch (KB5073455)
- Issue Windows 11 Shutdown Bug with Secure Launch KB5073455 and OOB KB5077797
Discussed on the forum
No member thread names 22631.6491 yet.