2026-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 23H2 for x64 (KB5082424)

A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article...

2026-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 for arm64 (KB5082417)

A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article...

2026-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2 for x64 (KB5082420)

A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article...

Security Update for Microsoft .NET Framework 3.5.1 on Windows 7 SP1 x86 (KB2861698)

A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article...

Security Update for Microsoft .NET Framework, Version 1.1 Service Pack 1 (KB886903)

A security issue has been identified that could allow an attacker to compromise your Windows-based system running the Microsoft .NET Framework and gain access to restricted data. You can help protect your computer by installing this update from Microsoft. After you install this item, you may have...

Security Update for Microsoft .NET Framework, Version 1.0 SP3, Czech (KB886906)

A security issue has been identified that could allow an attacker to compromise your Windows-based system running the Microsoft .NET Framework and gain access to restricted data. You can help protect your computer by installing this update from Microsoft. After you install this item, you may have...

Security Update for Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for Itanium-based Systems (KB2686830)

A security issue has been identified that could allow an unauthenticated remote attacker to compromise your system and gain control over it. You can help protect your system by installing this update from Microsoft. After you install this update, you may have to restart your system...

Security Update for Microsoft .NET Framework 4.5.1 on Windows 8 (KB2898870)

A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article...

Security Update for Microsoft .NET Framework 4.5.2 on Windows Server 2012 for x64 (KB3135995)

A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article...