cve-2026-65658

This tag covers CVE-2026-65658, a remote code execution vulnerability in on-premises Microsoft SharePoint Server addressed by Microsoft's August 11, 2026 security updates. The fixes apply to SharePoint Server Subscription Edition, SharePoint Server 2019, and SharePoint Server 2016. Immediate action involves deploying the August SharePoint public updates across all supported farm tiers and verifying the actual installed package and build rather than relying solely on KB article version text. The advisory was published in Microsoft's Security Update Guide. This tag is relevant for IT administrators and security professionals managing on-premises SharePoint environments and applying critical patches to mitigate RCE risks.