2026-07 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2 for x64 (KB5102203)

2026-07 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2 for x64 KB5102203...

May 12, 2026-KB5087077 Cumulative Update for .NET Framework 3.5 for Windows 11, version 26H1 (build 28000) and later

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2026-04 .NET Framework 3.5 Security Update (KB5084165)

2026-04 Cumulative Update for .NET Framework 3.5 for Windows 11, version 26H1 for arm64...

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...

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

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

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

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August 9, 2022-KB5015732 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 11

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April 21, 2022-KB5012796 Cumulative Update Preview for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10, version 1809 and Windows Server, version 2019

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Security and Quality Rollup for .NET Framework 3.5, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 (KB4598501)

Security and Quality Rollup for .NET Framework 3.5, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 KB4598501 Applies to: Microsoft .NET Framework 3.5 Microsoft .NET Framework 4.5.2 Microsoft .NET Framework 4.6 Microsoft .NET Framework 4.6.1 Microsoft .NET Framework 4.6.2...

October 1, 2020-KB4576945 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10, version 2004 and Windows Server, version 2004

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Preview of Quality Rollup for .NET Framework 3.5, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 8.1, RT 8.1, and Windows Server 2012 R2 (KB4538158)

Preview of Quality Rollup for .NET Framework 3.5, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 8.1, RT 8.1, and Windows Server 2012 R2 KB4538158 Applies to: Microsoft .NET Framework 3.5 Microsoft .NET Framework 4.5.2 Microsoft .NET Framework 4.6 Microsoft .NET Framework 4.6.1...

October 24, 2019-KB4522741 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 1903 and Windows Server 1903 RTM

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September 26, 2019 — KB4522739 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 version 1909 and Windows Server version 1909

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Security and Quality Rollup updates for .NET Framework 2.0 SP2, 3.0 SP2, 4.5.2, and 4.6 for Windows Server 2008 SP2 (KB 4459925)

Security and Quality Rollup updates for .NET Framework 2.0 SP2, 3.0 SP2, 4.5.2, and 4.6 for Windows Server 2008 SP2 KB 4459925 Notice This update is included in the Security and Quality Rollup that's dated October 9, 2018. This update was previously released as part of the Preview of Quality Roll...

May 2018 Preview of the Quality Rollups for .NET Framework 2.0 SP2, 3.0 SP2, 4.5.2, and 4.6 for Windows Server 2008 (KB 4103474)

May 2018 Preview of the Quality Rollups for .NET Framework 2.0 SP2, 3.0 SP2, 4.5.2, and 4.6 for Windows Server 2008 KB 4103474 Notice This update is included in the June 2018 Preview of the Quality Rollups for .NET Framework 2.0, 3.0, 4.5.2 and 4.6 for Windows Server 2008 KB 4291501. Parts of thi...

2021-05 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 1909 (KB4601556)

2021-05 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 1909 KB4601556...

2025-09 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Microsoft server operating system version 21H2 for x64 (KB5065962)

2025-09 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Microsoft server operating system version 21H2 for x64 KB5065962...

2021-02 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10 Version 1909 for ARM64 (KB4601556)

2021-02 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10 Version 1909 for ARM64 KB4601556...

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...