Use After Free in Microsoft Sharepoint Enterprise Server 2016
CVE-2024-21426
Microsoft SharePoint Server Remote Code Execution Vulnerability
Vulnerability class: Use-After-Free
EPSS: 0.039 (89.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Microsoft Sharepoint Enterprise Server 2016 — versions 16.0.0
- Microsoft Sharepoint Server 2019 — versions 16.0.0
- Microsoft Sharepoint Server Subscription Edition — versions 16.0.0
- Microsoft Sharepoint_server — versions 2016, 2019
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secure@microsoft.com (vendor-advisory, Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2024-21426?
- CVE-2024-21426 is a high-severity vulnerability in Microsoft Sharepoint Enterprise Server 2016, classified under Use After Free. CVSS score: 7.8/10. Published 2024-03-12.
- How severe is CVE-2024-21426?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2024-21426 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.