Recorded 20 Oct 2026 at 09:41 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.
KB5126145
September 8, 2026-KB5126145 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2
What it said
- KB
- KB5126145
- Applies to
- Windows 10, version 21H2; Windows 10, version 22H2
- Related KBs
- KB5126046, KB5126421
- 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.
Recorded links
Source evidence when recorded
- dotnet-framework-updates
- IncompleteRead 20 Oct 2026 at 09:41 UTC
- Microsoft security releases
- Complete at observationRead 20 Oct 2026 at 09:41 UTC
Coverage describes the sources at this observation. A complete read then does not establish their current position.
What changed
First observed 20 Oct 2026No field changes in the recorded history.
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