CVE-2023-24955
High 7.2 Exploited in the wild (KEV) Used in ransomware campaigns
Confirmed active exploitation — CISA KEV catalog
- Name
- Microsoft SharePoint Server Code Injection Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Description
Microsoft SharePoint Server Remote Code Execution Vulnerability
Metrics
- CVSS 3.1
-
7.2 (HIGH)
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 85% (percentile: 100) as of 2 November 2026
- CWE
- CWE-94
Affected products
microsoft: sharepoint enterprise server; microsoft: sharepoint server
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24955 PatchVendor Advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24955 PatchVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023… US Government Resource