Vulnerability · Published Oct 14, 2025 · Assigned by microsoft
CVE-2025-47979Microsoft Failover Cluster Information Disclosure Vulnerability
Medium 5.5
In plain English
A medium-severity sensitive data in logs in Windows Server 2022, 23H2 Edition (Server Core installation) from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities).
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.6%top 50.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Insertion of sensitive information into log file in Windows Failover Cluster allows an authorized attacker to disclose information locally.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | 10.0.25398.0 – before 10.0.25398.1913 |
| Microsoft | Windows Server 2025 | 10.0.26100.0 – before 10.0.26100.6899 |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 – before 10.0.26100.6899 |
Weakness: CWE-532 · Vector: 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
References
- Microsoft Failover Cluster Information Disclosure Vulnerability vendor-advisory, patch