KB5127689: CVEs fixed (Windows update (KB))

KB5127689 fixes 1 tracked CVE. Affected systems and fixed versions.

• CVE-2026-96958 HIGH 7.5 UPGRADE DOWNGRADE Inefficient algorithmic complexity in .NET allows an unauthorized attacker to deny service over a network.

Applies to

• Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 version 21H2 · fixed in 2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.9363.0
• Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 version 22H2 · fixed in 2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.9363.0

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