2026-05 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10 Version 1809 (KB5088864)

2026-05 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10 Version 1809 KB5088864...

2026-05 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10 Version 1809 for x64 (KB5088864)

2026-05 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10 Version 1809 for x64 KB5088864...

2026-05 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows Server 2019 for x64 (KB5088864)

2026-05 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows Server 2019 for x64 KB5088864...

May 12, 2026-KB5087051 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 and Microsoft server operating system 24H2

May 12, 2026-KB5087051 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 and Microsoft server operating system 24H2 Release Date: May 12, 2026 Version: .NET Framework 3.5 and 4.8.1 The May 12, 2026 update for Windows 11, version 25H2 and Microsoft server operating...

May 12, 2026-Security and Quality Rollup for .NET Framework 3.5 for Windows Server 2012 R2 (KB5087049)

May 12, 2026-Security and Quality Rollup for .NET Framework 3.5 for Windows Server 2012 R2 KB5087049 Applies to: Microsoft .NET Framework 3.5 Important The installation of this Extended Security Update ESU might fail when you try to install it on an Azure Arc-enabled device that is running Window...

May 12, 2026-KB5087052 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system, version 23H2

May 12, 2026-KB5087052 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system, version 23H2 Release Date: May 12, 2026 Version: .NET Framework 3.5 and 4.8.1 The May 12, 2026 update for Microsoft server operating system, version 23H2 includes security and cumulati...

2026-04 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10 Version 1809 for x64 (KB5084066)

2026-04 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10 Version 1809 for x64 KB5084066...

2026-04 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows Server 2019 for x64 (KB5084066)

2026-04 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows Server 2019 for x64 KB5084066...

2026-04 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10 Version 1809 (KB5084066)

2026-04 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10 Version 1809 KB5084066...

2026-04 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2 for x64 (KB5084068)

2026-04 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2 for x64 KB5084068...

2025-10 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10 Version 1809 for x64 (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...

July 8, 2025-KB5062062 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system, version 23H2

July 8, 2025-KB5062062 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system, version 23H2 Release Date: July 8, 2025 Version: .NET Framework 3.5 and 4.8.1 The July 8, 2025 update for Microsoft server operating system, version 23H2 includes security and cumulati...

October 8, 2024-KB5044033 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 22H2 and Windows 11, version 23H2

October 8, 2024-KB5044033 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 22H2 and Windows 11, version 23H2 Revised July 8, 2025: Updated 'How to get this update' section. Release Date: October 8, 2024 Version: .NET Framework 3.5 and 4.8.1 The October 8, 2024 update for...

August 13, 2024-KB5042350 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10, version 1809 and Windows Server 2019

August 13, 2024-KB5042350 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10, version 1809 and Windows Server 2019 Release Date: August 13, 2024 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...

May 14, 2024-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 R2 (KB5038290)

May 14, 2024-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 R2 KB5038290 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...

May 14, 2024-Security and Quality Rollup for .NET Framework 2.0, 3.0, 3.5 SP1, 4.6.2 for Windows Server 2008 SP2 (KB5038291)

May 14, 2024-Security and Quality Rollup for .NET Framework 2.0, 3.0, 3.5 SP1, 4.6.2 for Windows Server 2008 SP2 KB5038291 Applies to: Microsoft .NET Framework 2.0 Microsoft .NET Framework 3.0 Microsoft .NET Framework 3.5 SP1 Microsoft .NET Framework 4.6.2 REMINDER Windows Server 2008 R2 SP1 have...

2024-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system, version 23H2 for x64 (KB5036617)

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 26, 2023-KB5031042 Cumulative Update Preview for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 11, version 21H2

September 26, 2023-KB5031042 Cumulative Update Preview for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 11, version 21H2 Release Date: September 26, 2023 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 Window...

September 12, 2023-Security Only Update for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 R2 (KB5030175)

September 12, 2023-Security Only Update for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 R2 KB5030175 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...

May 23, 2023-KB5026959 Cumulative Update Preview for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 11, version 21H2

May 23, 2023-KB5026959 Cumulative Update Preview for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 11, version 21H2 Release Date: May 23, 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 11, version 21H2...