May 26, 2026-KB5092430 Cumulative Update Preview for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2

May 26, 2026-KB5092430 Cumulative Update Preview for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2 Release Date: May 26, 2026 Version: .NET Framework 3.5 and 4.8.1 The May 26, 2026 update for Windows 11, version 24H2 includes security and cumulative reliability improvements in .NET...

2026-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system, version 23H2 for x64 (KB5082418)

2026-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system, version 23H2 for x64 KB5082418...

2025-10 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2 for x64 (KB5066747)

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...

2025-10 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Microsoft server operating system version 21H2 for x64 (KB5066743)

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...

July 8, 2025-KB5062153 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2

July 8, 2025-KB5062153 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2 Release Date: July 8, 2025 Version: .NET Framework 3.5, 4.8 and 4.8.1 IMPORTANT This update is included in the Cumulative Update that's dated July 8, 2025. Parts of this update were previous...

July 8, 2025-KB5062159 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows Server 2022

July 8, 2025-KB5062159 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows Server 2022 Release Date: July 8, 2025 Version: .NET Framework 3.5, 4.8 and 4.8.1 Summary This article describes the security and cumulative update for 3.5, 4.8 and 4.8.1 for Windows Server 2022. Security...

November 21, 2024-KB5048292 Cumulative Update Preview for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2

November 21, 2024-KB5048292 Cumulative Update Preview for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2 Release Date: November 21, 2024 Version: .NET Framework 3.5, 4.8 and 4.8.1 Summary This article describes the security and cumulative update for 3.5, 4.8 and 4.8.1 for Windows 1...

May 14, 2024-KB5038284 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2

May 14, 2024-KB5038284 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2 Release Date: May 14, 2024 Version: .NET Framework 3.5, 4.8 and 4.8.1 IMPORTANT This update is included in the Cumulative Update that's dated May 14, 2024. Parts of this update were previous...

March 26, 2024-KB5036580 Cumulative Update Preview for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2

March 26, 2024-KB5036580 Cumulative Update Preview for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2 Release Date: March 26, 2024 Version: .NET Framework 3.5, 4.8 and 4.8.1 Summary This article describes the security and cumulative update for 3.5, 4.8 and 4.8.1 for Windows 10...

October 10, 2023-KB5031225 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 11, version 21H2

October 10, 2023-KB5031225 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 11, version 21H2 Release Date: October 10, 2023 Version: .NET Framework 3.5, 4.8 and 4.8.1 IMPORTANT This update is included in the Cumulative Update that's dated October 10, 2023. Parts of this update...

August 22, 2023-KB5029847 Cumulative Update Preview for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2

August 22, 2023-KB5029847 Cumulative Update Preview for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2 Release Date: August 22, 2023 Version: .NET Framework 3.5, 4.8 and 4.8.1 Summary This article describes the Cumulative Update for 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2...

July 25, 2023-KB5028412 Cumulative Update Preview for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2

July 25, 2023-KB5028412 Cumulative Update Preview for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2 Release Date: July 25, 2023 Version: .NET Framework 3.5, 4.8 and 4.8.1 Summary This article describes the Cumulative Update for 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2...

January 19, 2023-KB5022479 Cumulative Update Preview for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 11

January 19, 2023-KB5022479 Cumulative Update Preview for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 11 Release Date: January 19, 2023 Version: .NET Framework 3.5, 4.8 and 4.8.1 Note: Revised on Jun 20, 2023 to add known issue. Summary This article describes the Cumulative Update for 3.5, 4.8 a...

October 25, 2022-KB5018857 Cumulative Update Preview for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H1

October 25, 2022-KB5018857 Cumulative Update Preview for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H1 Release Date: October 25, 2022 Version: .NET Framework 3.5, 4.8 and 4.8.1 Summary This article describes the Cumulative Update for 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H1...

October 11, 2022-KB5018544 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H1

October 11, 2022-KB5018544 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H1 Release Date: October 11, 2022 Version: .NET Framework 3.5, 4.8 and 4.8.1 IMPORTANT This update is included in the Cumulative Update that's dated October 11, 2022. Parts of this update...

September 20, 2022-KB5017858 Cumulative Update Preview for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2

September 20, 2022-KB5017858 Cumulative Update Preview for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2 Release Date: September 20, 2022 Version: .NET Framework 3.5, 4.8 and 4.8.1 Summary This article describes the Cumulative Update for 3.5, 4.8 and 4.8.1 for Windows 10 Version...

2025-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 for x64 (KB5066128)

2025-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 for x64 KB5066128...

2025-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2 for arm64 (KB5066131)

2025-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2 for arm64 KB5066131...

2025-03 Cumulative Update Preview for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2 for x64 (KB5055063)

2025-03 Cumulative Update Preview for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2 for x64 KB5055063...

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

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