2021-08 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows Server, version 20H2 for ARM64 (KB5004331)

2021-08 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows Server, version 20H2 for ARM64 KB5004331...

2021-07 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows Server 2019 for ARM64 (KB5004228)

2021-07 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows Server 2019 for ARM64 KB5004228...

2021-07 Security and Quality Rollup for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 7 for x64 (KB5004229)

2021-07 Security and Quality Rollup for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 7 for x64 KB5004229...

2018-10 Preview of Quality Rollup for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows 7 (KB4462500)

2018-10 Preview of Quality Rollup for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows 7 KB4462500...

2019-10 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 and Server 2012 R2 for x64 (KB4520408)

2019-10 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 and Server 2012 R2 for x64 KB4520408...

2020-10 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10 Version 2004 for ARM64 (KB4580419)

2020-10 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10 Version 2004 for ARM64 KB4580419...

2020-02 Cumulative Update for .NET Framework 4.8 for Windows 10 Version 1803 for x64 (KB4534130)

2020-02 Cumulative Update for .NET Framework 4.8 for Windows 10 Version 1803 for x64 KB4534130...

2019-12 Cumulative Update for .NET Framework 4.8 for Windows 10 Version 1703 for x64 (KB4532998)

2019-12 Cumulative Update for .NET Framework 4.8 for Windows 10 Version 1703 for x64 KB4532998...

2020-09 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10 Version 1903 (KB4576947)

2020-09 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10 Version 1903 KB4576947...

2025-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2 for x64 (KB5066131)

2025-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2 for x64 KB5066131...

2021-09 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H1 for ARM64 (KB5005539)

2021-09 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H1 for ARM64 KB5005539...

2025-10 Security Only Update for .NET Framework 2.0, 3.0, 4.6.2 for Windows Server 2008 SP2 (KB5066749)

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...

.NET documentation

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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...

CVE-2026-48784: UrlGenerator Dot-Segment Encoding Skips Every Other Chained `../` or `./` → Generated URL Collapses Off-Route Under RFC 3986 Normalization

More info at https://symfony.com/cve-2026-48784...

CVE-2026-48784: UrlGenerator Dot-Segment Encoding Skips Every Other Chained `../` or `./` → Generated URL Collapses Off-Route Under RFC 3986 Normalization

More info at https://symfony.com/cve-2026-48784...

2026-05 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 26H1 for arm64 (KB5087055)

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 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 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...