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-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, 4.8 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...

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...

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...

Cumulative Update 14 for Exchange Server 2019 (KB5035606)

Cumulative Update 14 for Exchange Server 2019 KB5035606 Important: This regularly scheduled cumulative update contains all the security fixes of the security updates in February and previous security updates. Cumulative Update 14 for Microsoft Exchange Server 2019 was released on February 13, 202...

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...

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...

April 25, 2023-KB5025367 Cumulative Update Preview for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2

April 25, 2023-KB5025367 Cumulative Update Preview for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2 Release Date: April 25, 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 10 Version 22H2...

September 20, 2022-KB5017860 Cumulative Update Preview for .NET Framework 3.5, 4.8 and 4.8.1 for Microsoft server operating system version 21H2

September 20, 2022-KB5017860 Cumulative Update Preview for .NET Framework 3.5, 4.8 and 4.8.1 for Microsoft server operating system version 21H2 Release Date: September 20, 2022 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 f...

2026-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2 for x64 (KB5082420)

2026-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2 for x64 KB5082420...

2026-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 for arm64 (KB5082417)

2026-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 for arm64 KB5082417...

2024-02 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Microsoft server operating system version 21H2 for x64 (KB5034682)

2024-02 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Microsoft server operating system version 21H2 for x64 KB5034682...

2025-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system, version 23H2 for x64 (KB5054705)

2025-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system, version 23H2 for x64 KB5054705...

2025-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 22H2 for x64 (KB5066133)

2025-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 22H2 for x64 KB5066133...

2025-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 23H2 for x64 (KB5066133)

2025-10 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 23H2 for x64 KB5066133...

2026-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 for x64 (KB5082417)

2026-04 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 for x64 KB5082417...

2026-05 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 23H2 for arm64 (KB5087058)

2026-05 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 23H2 for arm64 KB5087058...

2025-01 Cumulative Update Preview for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2 (KB5050593)

2025-01 Cumulative Update Preview for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2 KB5050593...