Deserialization of Untrusted Data in Microsoft products - CVE-2025-30382

 

Deserialization of Untrusted Data in Microsoft products - CVE-2025-30382

Published: May 13, 2025


Vulnerability identifier: #VU109079
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-30382
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 Server. A remote attacker can trick a victim to open a specially crafted file 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 Server Subscription Edition
Microsoft SharePoint Enterprise Server
Microsoft SharePoint Server

How to mitigate CVE-2025-30382

Install updates from vendor's website.


External References

Related Security Bulletins