2020-08 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10 Version 2004 for x64 (KB4570721)

2020-08 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10 Version 2004 for x64 KB4570721...

2020-08 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows Server, version 2004 for x64 (KB4570721)

2020-08 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows Server, version 2004 for x64 KB4570721...

2020-12 .NET 5.0.1 Update for x86 Client

2020-12 .NET 5.0.1 Update for x86 Client...

2021-01 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows Server, version 20H2 for x64 (KB4598299)

2021-01 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows Server, version 20H2 for x64 KB4598299...

2020-11 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10, version 20H2 for ARM64 (KB4586876)

2020-11 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10, version 20H2 for ARM64 KB4586876...

2020-11 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10 Version 1903 (KB4586878)

2020-11 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10 Version 1903 KB4586878...

2020-07 Cumulative Update Preview for .NET Framework 3.5, 4.7.2 and 4.8 for Windows Server 2019 for x64 (KB4567327)

2020-07 Cumulative Update Preview for .NET Framework 3.5, 4.7.2 and 4.8 for Windows Server 2019 for x64 KB4567327...

2021-11 .NET 5.0.12 Update for x64 Server (KB5007884)

2021-11 .NET 5.0.12 Update for x64 Server KB5007884...

2021-09 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10 Version 1909 (KB5005541)

2021-09 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10 Version 1909 KB5005541...

2021-11 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 20H2 (KB5006365)

2021-11 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 20H2 KB5006365...

2021-10 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H1 for ARM64 (KB5006365)

2021-10 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H1 for ARM64 KB5006365...

2021-10 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows Server, version 20H2 for x64 (KB5006365)

2021-10 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows Server, version 20H2 for x64 KB5006365...

2021-11 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows Server, version 2004 for ARM64 (KB5006365)

2021-11 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows Server, version 2004 for ARM64 KB5006365...

2021-09 .NET 5.0.10 Update for x64 Client (KB5006192)

2021-09 .NET 5.0.10 Update for x64 Client KB5006192...

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 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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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...

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...