CVE-2025-49704
High 8.8 Exploited in the wild (KEV) Used in ransomware campaigns
Confirmed active exploitation — CISA KEV catalog
- Name
- Microsoft SharePoint Code Injection Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- 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.
Description
Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Metrics
- CVSS 3.1
-
8.8 (HIGH)
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 100% (percentile: 100) as of 1 November 2026
- CWE
- CWE-94
Affected products
microsoft: sharepoint server
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49704 Vendor Advisory
- https://www.microsoft.com/en-us/security/blog/2025/07/22/disrupting-active-expl… Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025… US Government Resource