CVE-2023-24955
Microsoft SharePoint Server Code Injection Vulnerability
What is affected
| Vendor | Microsoft |
|---|---|
| Product | SharePoint Server |
| Weakness | CWE-94 |
The vulnerability
Microsoft SharePoint Server contains a code injection vulnerability that allows an authenticated attacker with Site Owner privileges to execute code remotely.
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
US federal civilian agencies were required to act by 16 April 2024 under BOD 22-01. The deadline is a compliance date, not a measure of severity — it says nothing about how dangerous the flaw is to anyone else.
Ransomware
CISA records this vulnerability as having been used in ransomware campaigns. That is a confirmed observation, not an assessment of likelihood.
Where this comes from
Every field on this page is taken from the CISA Known Exploited Vulnerabilities catalog, last synced 13 Nov 2026, 03:29. Nothing here is our own assessment. For the technical scoring, see the NVD record below.
More from Microsoft
Microsoft Office
Microsoft Office Outlook Missing User Interaction for Potentially Unsafe Action Vulnerability
CVE-2026-96951Microsoft Windows
Microsoft Windows Command Injection Vulnerability
CVE-2026-65660Microsoft SharePoint
Microsoft SharePoint Code Injection Vulnerability
CVE-2026-81963Microsoft Windows
Microsoft Windows Link Following Vulnerability