May 12, 2026-Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 (KB5088860)

May 12, 2026-Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 KB5088860 Applies to: Microsoft .NET Framework 3.5 Microsoft .NET Framework 4.6.2 Microsoft .NET Framework 4.7 Microsoft .NET Framework 4.7.1 Microsoft .NET Framework 4.7.2...

2026-04 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 22H2 for ARM64 (KB5084068)

2026-04 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 22H2 for ARM64 KB5084068...

2026-04 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2 (KB5084067)

2026-04 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2 KB5084067...

2025-10 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10 Version 1809 (KB5066738)

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 and 4.8 for Windows 10 Version 22H2 for ARM64 (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 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...

September 9, 2025-KB5065955 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10, version 1809 and Windows Server 2019

September 9, 2025-KB5065955 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10, version 1809 and Windows Server 2019 Release Date: September 9, 2025 Version: .NET Framework 3.5, 4.7.2 and 4.8 Summary This article describes the security and cumulative update for 3.5, 4.7.2 and...

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...

April 8, 2025-KB5055681 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10, version 1809 and Windows Server 2019

April 8, 2025-KB5055681 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10, version 1809 and Windows Server 2019 Release Date: April 8, 2025 Version: .NET Framework 3.5, 4.7.2 and 4.8 Summary This article describes the security and cumulative update for 3.5, 4.7.2 and 4.8 for...

April 8, 2025-KB5055682 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2

April 8, 2025-KB5055682 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2 Release Date: April 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 April 8, 2025. Parts of this update were...

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...

August 13, 2024-KB5042351 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2

August 13, 2024-KB5042351 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2 Release Date: August 13, 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 Version...

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...

May 14, 2024-Security and Quality Rollup for .NET Framework 3.5.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2008 R2 SP1 (KB5038288)

May 14, 2024-Security and Quality Rollup for .NET Framework 3.5.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2008 R2 SP1 KB5038288 Applies to: Microsoft .NET Framework 3.5.1 Microsoft .NET Framework 4.6.2 Microsoft .NET Framework 4.7 Microsoft .NET Framework 4.7.1 Microsoft .NET Framework...

February 13, 2024-KB5034684 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2

February 13, 2024-KB5034684 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2 Release Date: February 13, 2024 Version: .NET Framework 3.5, 4.8 and 4.8.1 IMPORTANT This update is included in the Cumulative Update that's dated February 13, 2024. Parts of this updat...

October 10, 2023-KB5031223 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2

October 10, 2023-KB5031223 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 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...

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...

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...