Main Vulnerability Database Vulnerabilities #VU114029

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

Published: August 13, 2025

Vulnerability identifier: #VU114029

CSH Severity: Medium

CVSS v4: 8.7 [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]

CVE-ID: CVE-2025-49712

CWE-ID: CWE-502

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

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.

Affected software

Microsoft SharePoint Enterprise Server
Microsoft SharePoint Server

How to mitigate CVE-2025-49712

Install updates from vendor's website.

External References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49712

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