#VU115122 Deserialization of Untrusted Data in Microsoft products - CVE-2025-54897

 

#VU115122 Deserialization of Untrusted Data in Microsoft products - CVE-2025-54897

Published: September 10, 2025


Vulnerability identifier: #VU115122
Vulnerability risk: Medium
CVSSv4.0: 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-2025-54897
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Microsoft SharePoint Server
Microsoft SharePoint Enterprise Server
Microsoft SharePoint Server Subscription Edition
Software vendor:
Microsoft

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.


Remediation

Install updates from vendor's website.

External links