Windows 11 23H2 build 22631.6345 (KB5071417) — release notes, downloads, known issues

Windows 11 · 23H2 · Release · Security update (Patch Tuesday)

Windows 11, version 23H2 (22631.6345)

Windows 11 23H2: Home/Pro servicing ended November 2025

Download amd64 — build 22631.6345 from UUP Dump, opens in a new tab Download arm64 — build 22631.6345 from UUP Dump, opens in a new tab All 23H2 builds JSON — this build from the builds API

AI summary

Writing the summary for this build…

Generated from the package's release notes and forum coverage. Verify against Microsoft's release-health page before acting on it.

No problems reported on the forum for this build yet. Threads that name 22631.6345 or KB5071417 and describe a fault appear here automatically.

Coverage KB5071417 Windows 11 23H2 December Rollup Adds PowerShell Confirm Prompt Dec 9, 2025 · names this build
Coverage KB5072543 Safe OS Dynamic Update Refreshes WinRE for Windows 11 23H2 Dec 9, 2025 · Windows 11 23H2 coverage from this build's release window
Coverage KB5071416 Setup Dynamic Update for Windows 11 23H2 — Admin Guide Dec 9, 2025 · Windows 11 23H2 coverage from this build's release window
Coverage KB5073454 Safe OS Dynamic Update for Windows 11 23H2: WinRE Refresh Guide Jan 13, 2026 · Windows 11 23H2 coverage from this build's release window
Coverage KB5074208 Setup Dynamic Update in Windows 11 23H2: Deployment guidance for IT pros Jan 13, 2026 · Windows 11 23H2 coverage from this build's release window
Issue Windows 11 23H2 Shutdown Restart Bug in January 2026 Update KB5073455 Jan 16, 2026 · Windows 11 23H2 coverage from this build's release window
Issue Windows 11 23H2 Shutdown Bug After January 2026 Patch Tuesday (Secure Launch) Jan 16, 2026 · Windows 11 23H2 coverage from this build's release window
Issue Windows 11 23H2 Shutdown Regression with Secure Launch (KB5073455) Jan 16, 2026 · Windows 11 23H2 coverage from this build's release window

No member thread names 22631.6345 yet.