CVE-2023-29357 Microsoft SharePoint Server Privilege Escalation
An attacker can elevate privileges in Microsoft SharePoint Server, potentially gaining unauthorized access to sensitive data or system functions.
- Exploited in the wild
- Since 10 Jan 2024
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-29357?
CVE-2023-29357 is a critical vulnerability in Microsoft Sharepoint Server, published on 13 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Microsoft SharePoint Server Elevation of Privilege Vulnerability
Weakness: CWE-303
Which versions are affected by CVE-2023-29357?
It affects 1 product.
Products include Microsoft Sharepoint Server.
How do I fix CVE-2023-29357?
No fix has been published for CVE-2023-29357 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 31 Jan 2024.
Is CVE-2023-29357 being exploited?
Yes. Attackers have exploited CVE-2023-29357 in the wild since at least 10 Jan 2024, including in ransomware campaigns.
Public exploit code: 1 Metasploit module, 1 Nuclei template and 9 proofs of concept on GitHub.
Other vulnerabilities in Microsoft Sharepoint Server
- CVE-2026-50522 Microsoft SharePoint Deserialization of Untrusted Data Vulnerability
- CVE-2026-58644 Microsoft SharePoint Deserialization of Untrusted Data
- CVE-2026-20963 Microsoft SharePoint Deserialization of Untrusted Data
- CVE-2025-53770 Microsoft SharePoint Deserialization of Untrusted Data
- CVE-2026-55040 Microsoft SharePoint Weak Authentication
Sources
Also known as GHSA-m2h6-v37r-r43p.