ACTIVELY EXPLOITED

CVE-2023-24955: Microsoft SharePoint Server Code Injection Vulnerability

Facts
VendorMicrosoft
ProductSharePoint Server
Actively exploitedYes
Added to CISA KEV26 Mar 2024
CISA federal deadline16 Apr 2024
Ransomware useKnown
Weakness (CWE)CWE-94

Required action (CISA's text)

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Description (NVD)

Microsoft SharePoint Server contains a code injection vulnerability that allows an authenticated attacker with Site Owner privileges to execute code remotely.

SOURCES

Other Microsoft flaws

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.