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 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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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...

2020-11 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 1903 for x64 (KB4580980)

2020-11 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 1903 for x64 KB4580980...

2021-11 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 11 for ARM64 (KB5007292)

2021-11 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 11 for ARM64 KB5007292...

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...

2025-07 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 23H2 for x64 (KB5056580)

2025-07 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 23H2 for x64 KB5056580...

2022-08 Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Embedded 8 Standard (KB5016739)

2022-08 Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Embedded 8 Standard KB5016739...

2023-05 Cumulative Update Preview for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2 for x64 (KB5026958)

2023-05 Cumulative Update Preview for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2 for x64 KB5026958...

2023-10 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10 Version 22H2 for ARM64 (KB5031904)

2023-10 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10 Version 22H2 for ARM64 KB5031904...

2022-10 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Microsoft server operating system, version 22H2 for x64 (KB5018855)

2022-10 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Microsoft server operating system, version 22H2 for x64 KB5018855...