Windows 11 · 26H1 · Release · Security update (Patch Tuesday)

Windows 11, version 26H1 (28000.3501)

Windows 11 26H1: For specific new hardware; not a feature update for existing PCs

Microsoft release information · Verified Nov 10, 2026

Download amd64 — build 28000.3501 from UUP Dump, opens in a new tab Download arm64 — build 28000.3501 from UUP Dump, opens in a new tab All 26H1 builds JSON — this build from the builds API

AI summary

Windows 11, version 26H1 (build 28000.3501) is the November 10, 2026 security update, KB5132059, with security improvements and fixes for USB audio, printer setup, and Remote Desktop. It also strengthens NTLM signing and PowerShell script-signature validation. (support.microsoft.com)

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

Microsoft's known issues — KB5132059

Microsoft lists no known issues for this update (KB5132059).

Microsoft's release notes for KB5132059 ›

Known issues — reported on the forum

No problems reported on the forum for this build yet. Threads that name 28000.3501 or KB5132059 and describe a fault appear here automatically.

In the news

Discussed on the forum

No member thread names 28000.3501 yet.

Search the forum for 28000.3501 Ask about this build