CVE-2025-47979

Microsoft Failover Cluster Information Disclosure Vulnerability

State: Published
Severity: 5.5 Medium
Published: Oct 14, 2025
Updated: Feb 22, 2026
Reserved: May 14, 2025

Description

Insertion of sensitive information into log file in Windows Failover Cluster allows an authorized attacker to disclose information locally.

Scores

CVSS	Score	Vector	Source
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-532 Insertion of Sensitive Information into Log File

Affected Products

Product	Versions
Windows Server 2022, 23H2 Edition (Server Core installation)Microsoft	10.0.25398.0 to before 10.0.25398.1913Affected
Windows Server 2025Microsoft	10.0.26100.0 to before 10.0.26100.6899Affected
Windows Server 2025 (Server Core installation)Microsoft	10.0.26100.0 to before 10.0.26100.6899Affected

References

Microsoft Failover Cluster Information Disclosure Vulnerabilityvendor-advisorypatch

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