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Recorded 10 Nov 2026 at 13:44 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.

.NET Framework updateMicrosoft Learn and Support

KB5126047

September 8, 2026-KB5126047 Cumulative Update for .NET Framework 4.8 for Windows 10, version 1607 and Windows Server 2016

What it said

KB
KB5126047
Applies to
Windows 10, version 1607; Windows Server 2016
Related KBs
CVEs named by Microsoft
CVE-2026-62886, CVE-2026-69522
Readiness
This is a .NET Framework servicing update, not a Windows OS build. Review Microsoft's support article and test the applicable framework versions; OS release-health coverage does not establish this update's deployment readiness.
Windows versions and builds
Not in the collected release tables
Restart required
Not stated in collected security fixes
CVEs fixed
CVE-2026-69522, CVE-2026-62886
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
CVE-2026-69522, CVE-2026-62886
Missing security release
None identified in collected security coverage

Source evidence when recorded

dotnet-framework-updates
Complete at observationRead 10 Nov 2026 at 13:39 UTC
Microsoft security releases
Complete at observationRead 10 Nov 2026 at 13:41 UTC

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

What changed

  1. Security fixes updated · Applies to: Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems, Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems, Microsoft .NET Framework 4.8 on Windows Server 2016 → Windows 10, version 1607; Windows Server 2016
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 (41)

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

  1. 10 Nov 2026 · 13:44:31 UTC Source coverage: dotnet-framework-updatesIncomplete → Current
  2. 7 Nov 2026 · 20:56:39 UTC Source coverage: dotnet-framework-updatesCurrent → Incomplete
  3. 7 Nov 2026 · 14:28:07 UTC Source coverage: dotnet-framework-updatesIncomplete → Current
  4. 7 Nov 2026 · 07:55:21 UTC Source coverage: dotnet-framework-updatesCurrent → Incomplete
  5. 7 Nov 2026 · 01:38:20 UTC Source coverage: dotnet-framework-updatesIncomplete → Current
  6. 6 Nov 2026 · 17:32:22 UTC Source coverage: msrc-cvrfIncomplete → Current
  7. 6 Nov 2026 · 16:31:02 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  8. 4 Nov 2026 · 17:09:02 UTC Source coverage: dotnet-framework-updatesCurrent → Incomplete
  9. 4 Nov 2026 · 11:04:04 UTC Source coverage: dotnet-framework-updatesIncomplete → Current
  10. 3 Nov 2026 · 15:31:39 UTC Source coverage: dotnet-framework-updatesCurrent → Incomplete
  11. 3 Nov 2026 · 09:13:39 UTC Source coverage: dotnet-framework-updatesIncomplete → Current
  12. 2 Nov 2026 · 17:30:39 UTC Source coverage: msrc-cvrfIncomplete → Current
  13. 2 Nov 2026 · 16:27:39 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  14. 2 Nov 2026 · 14:20:43 UTC Source coverage: dotnet-framework-updatesCurrent → Incomplete
  15. 2 Nov 2026 · 08:01:34 UTC Source coverage: dotnet-framework-updatesIncomplete → Current
  16. 30 Oct 2026 · 16:59:46 UTC Source coverage: dotnet-framework-updatesCurrent → Incomplete
  17. 30 Oct 2026 · 10:28:10 UTC Source coverage: dotnet-framework-updatesIncomplete → Current
  18. 30 Oct 2026 · 04:11:14 UTC Source coverage: dotnet-framework-updatesCurrent → Incomplete
  19. 29 Oct 2026 · 21:53:13 UTC Source coverage: dotnet-framework-updatesIncomplete → Current
  20. 29 Oct 2026 · 15:26:56 UTC Source coverage: dotnet-framework-updatesCurrent → Incomplete
  21. 29 Oct 2026 · 11:09:34 UTC Source coverage: dotnet-framework-updatesIncomplete → Current
  22. 27 Oct 2026 · 12:20:40 UTC Source coverage: dotnet-framework-updatesCurrent → Incomplete
  23. 27 Oct 2026 · 05:37:25 UTC Source coverage: dotnet-framework-updatesIncomplete → Current
  24. 26 Oct 2026 · 22:55:57 UTC Source coverage: dotnet-framework-updatesCurrent → Incomplete
  25. 26 Oct 2026 · 16:46:58 UTC Source coverage: dotnet-framework-updatesIncomplete → Current
  26. 23 Oct 2026 · 09:33:49 UTC Source coverage: msrc-cvrfIncomplete → Current
  27. 23 Oct 2026 · 08:31:50 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  28. 21 Oct 2026 · 10:34:24 UTC Source coverage: dotnet-framework-updatesCurrent → Incomplete
  29. 21 Oct 2026 · 04:01:31 UTC Source coverage: dotnet-framework-updatesIncomplete → Current
  30. 19 Oct 2026 · 15:12:40 UTC ReadinessThis is a .NET Framework servicing update, not a Windows OS build. Review Microsoft's support article and test the applicable framework versions; OS release-health coverage does not establish this update's deployment readiness.
  31. 19 Oct 2026 · 15:12:40 UTC CVEs named by MicrosoftCVE-2026-62886, CVE-2026-69522
  32. 19 Oct 2026 · 15:12:40 UTC Related KBs
  33. 19 Oct 2026 · 15:12:40 UTC Applies toMicrosoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems, Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems, Microsoft .NET Framework 4.8 on Windows Server 2016 → Windows 10, version 1607; Windows Server 2016
  34. 19 Oct 2026 · 15:12:40 UTC Source coverage: windows-known-issuesCurrent → Not collected
  35. 19 Oct 2026 · 15:12:40 UTC Source coverage: dotnet-framework-updatesIncomplete
  36. 19 Oct 2026 · 15:12:40 UTC Link: Support articlehttps://support.microsoft.com/help/5126047 → https://support.microsoft.com/en-us/servicing/dotnetframework/windows-10/1607/2026/09/september-8-2026-kb5126047-cumulative-update-for-net-framework-4-8-for-windows-10-version-1607-and-w
  37. 19 Oct 2026 · 15:12:40 UTC SourceMicrosoft release information, MSRC and Windows release health → Microsoft Learn and Support
  38. 19 Oct 2026 · 15:12:40 UTC KindWindows update → .NET Framework update
  39. 19 Oct 2026 · 15:12:40 UTC SummarySecurity update fixing 2 collected CVEs. → September 8, 2026-KB5126047 Cumulative Update for .NET Framework 4.8 for Windows 10, version 1607 and Windows Server 2016
  40. 14 Oct 2026 · 11:22:42 UTC Missing security releaseUnknown: security evidence is incomplete or retained → None identified in collected security coverage
  41. 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 16:19 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current

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