Recorded 16 Oct 2026 at 15:49 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

KB5126043

Security update fixing 2 collected CVEs.

What it said

KB: KB5126043
Windows versions and builds: Not in the collected release tables
Applies to: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems, Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for ARM64-based Systems, Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems, Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019
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

Recorded links

Source evidence when recorded

Microsoft security releases: Complete at observationRead 16 Oct 2026 at 15:49 UTC
Windows known issues: Complete at observationRead 16 Oct 2026 at 15:49 UTC

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

What changed

Applies to: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems, Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for ARM64-based Systems, Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems, Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019, Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2019 → Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems, Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for ARM64-based Systems, Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems, Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019
16 Oct 2026

Page history

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Field-level log (3)

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16 Oct 2026 · 15:49:54 UTC Applies toMicrosoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems, Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for ARM64-based Systems, Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems, Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019, Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2019 → Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems, Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for ARM64-based Systems, Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems, Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019
14 Oct 2026 · 11:22:42 UTC Missing security releaseUnknown: security evidence is incomplete or retained → None identified in collected security coverage
14 Oct 2026 · 11:22:42 UTC Source coverage: msrc-cvrfIncomplete → Current