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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

KB4601383

Windows 10, version 1809: KB4601383 · 2021-02 C · OS build 17763.1790

What it said

KB
KB4601383
Windows versions and builds
Windows 10, version 1809: 17763.1790 (2021-02 C); Windows Server 2019: 17763.1790 (2021-02 C)
Applies to
Windows 10, version 1809, Windows Server 2019
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
KB4601345
CVEs listed directly for this KB
Unknown: security evidence or the required release is incomplete
Missing security release
February 2021
Published
16 Feb 2021 00:00 UTC

Source evidence when recorded

Windows 10 releases
Complete at observationRead 28 Oct 2026 at 13:52 UTC
Windows Server 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

Changes are dated when recorded; day views use the last saved version from that UTC day, and citations stay fixed.

Cite this version
Field-level log (2)

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  1. 28 Oct 2026 · 13:54:09 UTC Source coverage: windows-server-releasesIncomplete → Current
  2. 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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