Description of the security update for Word 2016: February 10, 2026 (KB5002839)

Description of the security update for Word 2016: February 10, 2026 KB5002839 Summary This security update resolves a Microsoft Outlook spoofing vulnerability and Microsoft Word spoofing vulnerability. To learn more about the vulnerabilities, see the following security advisories: Microsoft Commo...

Description of the security update for SharePoint Server 2016: February 10, 2026 (KB5002841)

Description of the security update for SharePoint Server 2016: February 10, 2026 KB5002841 Summary Important: If you're currently running SharePoint Workflow Manager, you must install the SharePoint Workflow Manager KB5002799 to your farm before you install this cumulative update. If you're...

Description of the security update for SharePoint Server 2019: February 10, 2026 (KB5002834)

Description of the security update for SharePoint Server 2019: February 10, 2026 KB5002834 Summary Important: If you're currently running SharePoint Workflow Manager, you must install the SharePoint Workflow Manager KB5002799 to your farm before you install this cumulative update. If you're...

Description of the security update for SharePoint Server 2019 Language Pack: February 10, 2026 (KB5002836)

Description of the security update for SharePoint Server 2019 Language Pack: February 10, 2026 KB5002836 Summary Important: If you're running 2013-type workflows, you mustinstall the August 2025 update for SharePoint Workflow Manager to your farm before you install this cumulative update.​​​​​​​ ...

Security Updates for Microsoft Word Products (February 2026)

The Microsoft Word Products are missing a security update. They are, therefore, affected by multiple spoofing vulnerabilities: - Deserialization of untrusted data in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network. CVE-2026-21511 - A spoofing...