CISA sounds alarm over trio of exploited SharePoint flaws

The US Cybersecurity and Infrastructure Security Agency (CISA) has urged all organizations running SharePoint to harden their defenses after the disclosure of actively exploited vulnerabilities. The warning applies to those running any supported version of SharePoint Server on-prem, with three vulnerabilities of particular interest cited. A spoofing bug, CVE-2026-32201 (6.5), was the first to be mentioned.