Windows 10 · 21H2 · Release · Security update (Patch Tuesday)

Feature update to Windows 10, version 21H2 (19044.7846)

Windows 10 21H2: Servicing ended

Microsoft release information · Verified Nov 10, 2026

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AI summary

Windows 10 version 21H2, Release build 19044.7846 is part of the November 10, 2026 cumulative security update (KB5131096), not a feature upgrade. It includes fixes for printer setup and Remote Desktop, Cuba daylight-saving-time updates, and stricter 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.

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