KB5082420 — Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11 Version 24H2
KB5082420 is a cumulative update released April 14, 2026, that addresses security vulnerabilities and reliability issues in .NET Framework 3.5 and 4.8.1 on Windows 11 Version 24H2 for both x64 and ARM64 architectures.
