Windows 11 · 25H2 · Release · Security update (Patch Tuesday)
Windows 11, version 25H2 (26200.6899)
- Release
- KB5066835 — Microsoft's article, opens in a new tab
- amd64
- arm64
Windows 11 25H2: Current mainstream release
AI summary
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Known issues — reported on the forum
- Issue Fix Windows Server 2025 WinRE USB Input Bug After KB5066835—Patch to KB5070773
- Issue Windows 11 October 2025 KB5066835 Gaming Regression and NVIDIA Hotfix 581.94
- Issue Windows 11 October 2025 KB5066835 Gaming Regression and NVIDIA Hotfix 581.94
- Issue Windows 11 KB5066835 Gaming Regression and NVIDIA Hotfix 581.94
In the news
- Issue Fix Windows Server 2025 WinRE USB Input Bug After KB5066835—Patch to KB5070773
- Coverage Nvidia Hotfix 581.94: Windows 11 KB5066835 Leistungsregression erklärt
- Issue Windows 11 October 2025 KB5066835 Gaming Regression and NVIDIA Hotfix 581.94
- Coverage Windows 11 KB5066835 FPS drop and NVIDIA hotfix 581.94
- Coverage Windows Server 2025 NVMe Optimizations Boost IOPS with KB5066835
- Fix GeForce 591.44 WHQL fixes Windows 11 KB5066835 slowdown and restores 32 bit PhysX
- Fix GeForce 591.44 WHQL Driver Restores Windows 11 Gaming Performance After KB5066835
- Fix GeForce 591.44 WHQL: DLSS 4 Boost, RTX 50 PhysX Restore, KB5066835 Fix