CVE-2023-24955
Microsoft SharePoint Server Code Injection Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 16 April 2024). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
Microsoft SharePoint Server Remote Code Execution Vulnerability
- CVSS 3.1
- 7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 84.97% probability · 100th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 26 March 2024 · due 16 April 2024 · used in ransomware campaigns
- Weakness
- CWE-94
- Affected
- microsoft/sharepoint enterprise server · microsoft/sharepoint server
- Source
- secure@microsoft.com
EPSS 85.0% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24955; https://nvd.nist.gov/vuln/detail/CVE-2023-24955
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24955Patch, Vendor Advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24955Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-24955US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.