2026-03 Cumulative Update for Windows 10 Version 21H2 for x86-based Systems (KB5078885)

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...

2026-03 Cumulative Update for Windows 10 Version 22H2 for ARM64-based Systems (KB5078885)

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...

2026-03 Cumulative Update for Windows 10 Version 1607 for x86-based Systems (KB5078938)

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...

2026-03 Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5078885)

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...

2026-03 Dynamic Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5078885)

ComponentUpdate: 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...

2026-03 Cumulative Update for Windows 10 Version 22H2 for x64-based Systems (KB5078885)

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...

2026-03 Cumulative Update for Windows 10 Version 1809 for x86-based Systems (KB5078752)

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...

2026-03 Cumulative Update for Windows 10 Version 1809 for x64-based Systems (KB5078752)

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...

2026-03 Cumulative Update for Windows Server 2022 Datacenter: Azure Edition for x64-based Systems (KB5078766)

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...

2026-03 Cumulative Update for Windows Server 2016 for x64-based Systems (KB5078938)

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...

2026-03 Cumulative Update for Windows Server 2019 for x64-based Systems (KB5078752)

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...

March 10, 2026—KB5078883 (OS Build 22631.6783)

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March 10, 2026—KB5078766 (OS Build 20348.4893)

None None...

2026-02 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5075906)

2026-02 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems KB5075906...

2026-02 Cumulative Update for Windows 10 Version 22H2 for x86-based Systems (KB5075912)

2026-02 Cumulative Update for Windows 10 Version 22H2 for x86-based Systems KB5075912...

2026-02 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5075912)

2026-02 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems KB5075912...

2026-02 Cumulative Update for Windows 10 Version 1607 for x86-based Systems (KB5075999)

2026-02 Cumulative Update for Windows 10 Version 1607 for x86-based Systems KB5075999...

2026-02 Cumulative Update for Windows 10 Version 1809 for x86-based Systems (KB5075904)

2026-02 Cumulative Update for Windows 10 Version 1809 for x86-based Systems KB5075904...

2026-02 Cumulative Update for Windows 10 Version 21H2 for x86-based Systems (KB5075912)

2026-02 Cumulative Update for Windows 10 Version 21H2 for x86-based Systems KB5075912...

2026-02 Cumulative Update for Windows 10 Version 1607 for x64-based Systems (KB5075999)

2026-02 Cumulative Update for Windows 10 Version 1607 for x64-based Systems KB5075999...