CVE-2025-47979: Microsoft Failover Cluster Information Disclosure Vulnerability
Published Oct 14, 2025
·Updated
Insertion of sensitive information into log file in Windows Failover Cluster allows an authorized attacker to disclose information locally.
Other sources
Microsoft Failover Cluster Information Disclosure Vulnerability
— Microsoft
Affected Software
5 affected componentsFixes available
Microsoft Windows Server 2025
Microsoft Windows Server 2025
Microsoft Windows Server 2022, 23H2 Edition
Microsoft Windows Server 2022 23h2<10.0.25398.1913
Microsoft Windows Server 2025<=10.0.26100.6899
Event History
Oct 14, 2025
CVE Published
via Microsoft·07:00 AM
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
CVE Published
via MITRE·05:00 PM
Data Sourced
via MITRE·05:00 PM
DescriptionSeverity
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2025-47979?
CVE-2025-47979 is classified as a medium-severity information disclosure vulnerability.
2
How do I fix CVE-2025-47979?
To fix CVE-2025-47979, apply the security updates provided by Microsoft for affected products.
3
Which products are affected by CVE-2025-47979?
CVE-2025-47979 affects Microsoft Windows Server 2025 and Windows Server 2022, 23H2 Edition.
4
Can CVE-2025-47979 be exploited remotely?
CVE-2025-47979 requires local access, so it cannot be exploited remotely.
5
What kind of information is disclosed by CVE-2025-47979?
CVE-2025-47979 allows an authorized attacker to disclose sensitive information logged by the Windows Failover Cluster.