CVE-2025-49706: Microsoft SharePoint Improper Authentication Vulnerability

Disconnect public-facing versions of SharePoint Server that have reached their end-of-life (EOL) or end-of-service (EOS) to include SharePoint Server 2013 and earlier versions. For supported versions, please follow the mitigations according to CISA (URL listed below in Notes) and vendor instructions (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.

From the National Vulnerability Database. This product uses the NVD API but is not endorsed or certified by the NVD.

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49706
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-49706
• https://www.microsoft.com/en-us/security/blog/2025/07/22/disrupting-active-exploitation-of-on-premises-sharepoint-vulnerabilities/