CVE-2025-30378

Microsoft SharePoint Server Remote Code Execution Vulnerability

State: Published
Severity: 7.0 High
Published: May 13, 2025
Updated: Feb 13, 2026
Reserved: Mar 21, 2025

Description

Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code locally.

Scores

CVSS	Score	Vector	Source
3.1	7.0 High	CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-502 Deserialization of Untrusted Data

Affected Products

Product	Versions
Microsoft SharePoint Enterprise Server 2016Microsoft	16.0.0 to before 16.0.5500.1001Affected
Microsoft SharePoint Server 2019Microsoft	16.0.0 to before 16.0.10417.20010Affected
Microsoft SharePoint Server Subscription EditionMicrosoft	16.0.0 to before 16.0.18526.20286Affected

References

Microsoft SharePoint Server Remote Code Execution Vulnerabilityvendor-advisorypatch

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