Deserialization of Untrusted Data in Microsoft SharePoint Server and Microsoft SharePoint Enterprise Server - CVE-2025-49712

 

Deserialization of Untrusted Data in Microsoft SharePoint Server and Microsoft SharePoint Enterprise Server - CVE-2025-49712

Published: August 13, 2025


Vulnerability identifier: #VU114029
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-49712
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Microsoft SharePoint Server
Microsoft SharePoint Enterprise Server

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data in Microsoft SharePoint. A remote user can pass specially crafted data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2025-49712

Install updates from vendor's website.

Sources