cve 2026-48560

CVE-2026-48560 is a Microsoft SharePoint Server spoofing vulnerability disclosed on June 9, 2026, and addressed in the June security updates for SharePoint Server 2016, SharePoint Server 2019, and SharePoint Server Subscription Edition on on-premises Windows infrastructure. The tag covers discussion of the vulnerability's impact on enterprise collaboration platforms, emphasizing that spoofing in SharePoint can affect documents, workflows, search indexes, user profiles, and authentication-adjacent systems. Content under this tag provides patch guidance and context for IT administrators managing on-premises SharePoint deployments, highlighting the importance of applying the June 2026 updates to mitigate the spoofing risk.