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cve-2026-45659

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CVE-2026-45659 is a remote code execution vulnerability affecting SharePoint Server 2016 and SharePoint Enterprise Server 2016. Microsoft's May 2026 guidance confirms that the same security update (KB) applies to both product editions, despite the naming difference. Administrators running either SharePoint 2016 deployment should install the Enterprise Server 2016 KB to remediate the flaw. The tag covers discussions about patch workflows, the legacy naming artifact, and the operational steps needed to secure on-premises SharePoint farms against this high-severity vulnerability.
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    Fix CVE-2026-45659 on SharePoint 2016 Using the “Enterprise Server” KB

    Microsoft’s May 2026 guidance for CVE-2026-45659 says the security update identified for SharePoint Enterprise Server 2016 also applies to SharePoint Server 2016, meaning administrators running either 2016-branded deployment should install the same KB to close the remote code execution flaw. The...
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    • cve-2026-45659 remote code execution security updates sharepoint server 2016
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    • Forum: Security Alerts
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