CVE-2023-24955
Microsoft SharePoint Server Remote Code Execution Vulnerability
Microsoft SharePoint Server Code Injection Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA notes
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24955; https://nvd.nist.gov/vuln/detail/CVE-2023-24955
Description
Microsoft SharePoint Server Remote Code Execution Vulnerability
Severity
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation Context
as of October 15, 2026- CISA added CVE-2023-24955 to the KEV catalog 322 days after its CVE record was published. The median for entries added in 2024 is 21.5 days.
- It is one of 391 Microsoft entries in the CISA KEV catalog, and one of 36 added in 2024.
- Its current EPSS score (85.0%) is higher than that of 68% of CISA KEV entries.
Affected Products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Microsoft Microsoft SharePoint Enterprise Server 2016 | 16.0.0 to <16.0.5395.1000 |
| Microsoft | Microsoft Microsoft SharePoint Server 2019 | 16.0.0 to <16.0.10398.20000 |
| Microsoft | Microsoft Microsoft SharePoint Server Subscription Edition | 16.0.0 to <16.0.16130.20420 |
References
1 LinksRecord Details
More from Microsoft
Microsoft SharePoint Server Elevation of Privilege Vulnerability
Microsoft SharePoint Server Spoofing Vulnerability
Microsoft SharePoint Remote Code Execution Vulnerability
Microsoft SharePoint Server Elevation of Privilege Vulnerability
Related
Tool categories
CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.