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Recorded 5 Nov 2026 at 22:41 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

KB5059091

Windows 10, version 1809: KB5059091 · 2025-04 OOB · OS build 17763.7249

What it said

KB
KB5059091
Windows versions and builds
Windows 10, version 1809: 17763.7249 (2025-04 OOB); Windows Server 2019: 17763.7249 (2025-04 OOB)
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 affecting this update
Unknown: known-issue evidence is incomplete or retained
Known issues resolved
Unknown: known-issue evidence is incomplete or retained
Included security update
KB5055519
CVEs listed directly for this KB
Unknown: security evidence or the required release is incomplete
Missing security release
April 2025
Published
16 Apr 2025 00:00 UTC
Known issues caused
None in the collected release health data

Source evidence when recorded

Windows 10 releases
IncompleteRead 5 Nov 2026 at 21:12 UTC
Windows Server releases
IncompleteRead 5 Nov 2026 at 21:12 UTC
Microsoft security releases
Complete at observationRead 5 Nov 2026 at 22:34 UTC
Windows known issues
IncompleteRead 5 Nov 2026 at 22:34 UTC

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

What changed

  1. Issues resolved: None in the collected release health data → Unknown: known-issue evidence is incomplete or retained · Known issues: None in the collected release health data → Unknown: known-issue evidence is incomplete or retained
  2. Known issues: None in the collected release health data
  3. Included security update: None identified in the collected release tables → KB5055519 · Applies to: Windows Server 2019 → Windows 10, version 1809, Windows Server 2019
  4. Issues resolved: Unknown: known-issue evidence is incomplete or retained → None in the collected release health data · Known issues: Unknown: known-issue evidence is incomplete or retained → None in the collected release health data
  5. Issues resolved: None in the collected release health data → Unknown: known-issue evidence is incomplete or retained · Known issues: None in the collected release health data → Unknown: known-issue evidence is incomplete or retained
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 (40)

Up to 100 recent field edits are shown; older edits may be outside retention.

  1. 5 Nov 2026 · 22:41:52 UTC Known issues resolvedNone in the collected release health data → Unknown: known-issue evidence is incomplete or retained
  2. 5 Nov 2026 · 22:41:52 UTC Known issues affecting this updateNone in the collected release health data → Unknown: known-issue evidence is incomplete or retained
  3. 5 Nov 2026 · 22:41:52 UTC Source coverage: windows-known-issuesCurrent → Incomplete
  4. 5 Nov 2026 · 22:41:52 UTC Source coverage: windows-server-releasesCurrent → Incomplete
  5. 5 Nov 2026 · 22:41:52 UTC Source coverage: windows-10-releasesCurrent → Incomplete
  6. 2 Nov 2026 · 17:30:39 UTC Source coverage: msrc-cvrfIncomplete → Current
  7. 2 Nov 2026 · 16:27:39 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  8. 29 Oct 2026 · 20:19:26 UTC Known issues affecting this updateNone in the collected release health data
  9. 28 Oct 2026 · 13:54:09 UTC Source coverage: windows-server-releasesIncomplete → Current
  10. 28 Oct 2026 · 13:54:09 UTC Source coverage: windows-10-releasesIncomplete → Current
  11. 28 Oct 2026 · 08:37:56 UTC Missing security releaseNone identified in collected security coverage → April 2025
  12. 28 Oct 2026 · 08:37:56 UTC CVEs listed directly for this KBNone in the collected security releases → Unknown: security evidence or the required release is incomplete
  13. 28 Oct 2026 · 08:37:56 UTC Included security updateNone identified in the collected release tables → KB5055519
  14. 28 Oct 2026 · 08:37:56 UTC CVEs fixedNone in the collected security releases → Unknown: security evidence or the required release is incomplete
  15. 28 Oct 2026 · 08:37:56 UTC Applies toWindows Server 2019 → Windows 10, version 1809, Windows Server 2019
  16. 28 Oct 2026 · 08:37:56 UTC Windows versions and buildsWindows Server 2019: 17763.7249 (2025-04 OOB) → Windows 10, version 1809: 17763.7249 (2025-04 OOB); Windows Server 2019: 17763.7249 (2025-04 OOB)
  17. 28 Oct 2026 · 08:37:56 UTC Source coverage: windows-server-releasesCurrent → Incomplete
  18. 28 Oct 2026 · 08:37:56 UTC Source coverage: windows-10-releasesIncomplete
  19. 28 Oct 2026 · 08:37:56 UTC Link: Security update KB5055519/windows/kb/KB5055519
  20. 28 Oct 2026 · 08:37:56 UTC SummaryWindows Server 2019: KB5059091 · 2025-04 OOB · OS build 17763.7249 → Windows 10, version 1809: KB5059091 · 2025-04 OOB · OS build 17763.7249
  21. 23 Oct 2026 · 09:33:49 UTC Missing security releaseUnknown: security evidence is incomplete or retained → None identified in collected security coverage
  22. 23 Oct 2026 · 09:33:49 UTC CVEs listed directly for this KBUnknown: security evidence or the required release is incomplete → None in the collected security releases
  23. 23 Oct 2026 · 09:33:49 UTC Known issues resolvedUnknown: known-issue evidence is incomplete or retained → None in the collected release health data
  24. 23 Oct 2026 · 09:33:49 UTC Known issues causedUnknown: known-issue evidence is incomplete or retained → None in the collected release health data
  25. 23 Oct 2026 · 09:33:49 UTC CVEs fixedUnknown: security evidence or the required release is incomplete → None in the collected security releases
  26. 23 Oct 2026 · 09:33:49 UTC Source coverage: windows-known-issuesIncomplete → Current
  27. 23 Oct 2026 · 09:33:49 UTC Source coverage: msrc-cvrfIncomplete → Current
  28. 23 Oct 2026 · 09:33:49 UTC Source coverage: windows-server-releasesIncomplete → Current
  29. 23 Oct 2026 · 08:31:50 UTC Missing security releaseNone identified in collected security coverage → Unknown: security evidence is incomplete or retained
  30. 23 Oct 2026 · 08:31:50 UTC CVEs listed directly for this KBNone in the collected security releases → Unknown: security evidence or the required release is incomplete
  31. 23 Oct 2026 · 08:31:50 UTC Known issues resolvedNone in the collected release health data → Unknown: known-issue evidence is incomplete or retained
  32. 23 Oct 2026 · 08:31:50 UTC Known issues causedNone in the collected release health data → Unknown: known-issue evidence is incomplete or retained
  33. 23 Oct 2026 · 08:31:50 UTC CVEs fixedNone in the collected security releases → Unknown: security evidence or the required release is incomplete
  34. 23 Oct 2026 · 08:31:50 UTC Source coverage: windows-known-issuesCurrent → Incomplete
  35. 23 Oct 2026 · 08:31:50 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  36. 23 Oct 2026 · 08:31:50 UTC Source coverage: windows-server-releasesCurrent → Incomplete
  37. 14 Oct 2026 · 11:22:42 UTC Missing security releaseUnknown: security evidence is incomplete or retained → None identified in collected security coverage
  38. 14 Oct 2026 · 11:22:42 UTC CVEs listed directly for this KBUnknown: security evidence or the required release is incomplete → None in the collected security releases
  39. 14 Oct 2026 · 11:22:42 UTC CVEs fixedUnknown: security evidence or the required release is incomplete → None in the collected security releases
  40. 14 Oct 2026 · 11:22:42 UTC Source coverage: msrc-cvrfIncomplete → 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 11 Nov 22:09 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current

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