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Some sources, documents or advisories need attention: 274/275 feeds/APIs · 469/469 docs · 8/9 advisories · checked 09:03 UTC Customize Public modeDiscuss ChangeIntel on Discord

Recorded 28 Oct 2026 at 13:54 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position. See the latest record.

Windows updateMicrosoft release information, MSRC and Windows release health

KB5003173

Windows 10, version 21H1: KB5003173 · 2021-05 B · OS build 19043.985

What it said

KB
KB5003173
Windows versions and builds
Windows 10, version 21H1: 19043.985 (2021-05 B); Windows 10, version 2004: 19041.985 (2021-05 B); Windows 10, version 20H2: 19042.985 (2021-05 B)
Applies to
Windows 10, version 21H1, Windows 10, version 2004, Windows 10, version 20H2
Restart required
Not stated in collected security fixes
CVEs fixed
Unknown: security evidence or the required release is incomplete
Known issues caused
None in the collected release health data
Known issues resolved
None in the collected release health data
Included security update
None identified in the collected release tables
CVEs listed directly for this KB
Unknown: security evidence or the required release is incomplete
Missing security release
May 2021
Published
18 May 2021 00:00 UTC

Source evidence when recorded

Windows 10 releases
Complete at observationRead 28 Oct 2026 at 13:52 UTC
Microsoft security releases
Complete at observationRead 28 Oct 2026 at 13:52 UTC
Windows known issues
Complete at observationRead 28 Oct 2026 at 13:52 UTC

Coverage describes the sources at this observation. A complete read then does not establish their current position.

Page history

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Cite this version
Field-level log (1)

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  1. 28 Oct 2026 · 13:54:09 UTC Source coverage: windows-10-releasesIncomplete → Current
ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 12 Nov 09:03 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current

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