2026-02 Cumulative Update for Windows Server 2019 for x64-based Systems (KB5075904)

2026-02 Cumulative Update for Windows Server 2019 for x64-based Systems KB5075904...

February 10, 2026—KB5077181 (OS Builds 26200.7840 and 26100.7840)

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February 10, 2026-KB5074837 Cumulative Update for .NET Framework 4.8.1 for Windows 11, version 26H1

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Microsoft Exchange Server 安全漏洞

Microsoft Exchange Server is a email service program provided by the American company Microsoft. It offers features such as email access, storage, forwarding, voicemail handling, and email filtering. There are security vulnerabilities in Microsoft Exchange Server. Attackers use these...

January 24, 2026—KB5078127 (OS Builds 26200.7628 and 26100.7628) Out-of-band

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January 24, 2026—KB5078135 (OS Build 26100.32236) Out-of-band

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January 17, 2026—KB5077797 (OS Build 22631.6494) Out-of-band

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2026-01 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5073457)

Install this update to resolve issues in Windows. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article for more information. After you install this item, you may have to restart your computer...

2026-01 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5073457)

Install this update to resolve issues in Windows. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article for more information. After you install this item, you may have to restart your computer...

2026-01 Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5073724)

Install this update to resolve issues in Windows. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article for more information. After you install this item, you may have to restart your computer...

2026-01 Dynamic Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5073724)

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...

2026-01 Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5073724)

Install this update to resolve issues in Windows. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article for more information. After you install this item, you may have to restart your computer...

2026-01 Dynamic Cumulative Update for Windows 10 Version 21H2 for x64-based Systems (KB5073724)

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...

2026-01 Cumulative Update for Windows 10 Version 1809 for x64-based Systems (KB5073723)

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...

2026-01 Cumulative Update for Windows Server 2019 for x64-based Systems (KB5073723)

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...

2026-01 Cumulative Update for Windows 10 Version 22H2 for ARM64-based Systems (KB5073724)

Install this update to resolve issues in Windows. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article for more information. After you install this item, you may have to restart your computer...

2026-01 Cumulative Update for Windows 10 Version 21H2 for x86-based Systems (KB5073724)

Install this update to resolve issues in Windows. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article for more information. After you install this item, you may have to restart your computer...

2026-01 Cumulative Update for Windows 10 Version 1809 for x86-based Systems (KB5073723)

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...

2026-01 Dynamic Cumulative Update for Windows 10 Version 21H2 for x86-based Systems (KB5073724)

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...

2026-01 Cumulative Update for Windows 10 Version 22H2 for x64-based Systems (KB5073724)

Install this update to resolve issues in Windows. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article for more information. After you install this item, you may have to restart your computer...