CVE-2025-59237

Microsoft SharePoint Remote Code Execution Vulnerability

State: Published
Severity: 8.8 High
Published: Oct 14, 2025
Updated: Feb 26, 2026
Reserved: Sep 11, 2025

Description

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/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 16.0.5522.1000Affected
Microsoft SharePoint Server 2019Microsoft	16.0.0 to before 16.0.10417.20059Affected
Microsoft SharePoint Server Subscription EditionMicrosoft	16.0.0 to before 16.0.19127.20262Affected

References

Microsoft SharePoint Remote Code Execution Vulnerabilityvendor-advisorypatch

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