CVE-2025-47979 json
Microsoft Failover Cluster Information Disclosure Vulnerability
published 2025-10-14 12 mo ago modified 2026-10-18 21 d ago also EUVD-2025-34367
- cvss
- 5.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 49%
- public exploits
- 0
- none known
Summary
Insertion of sensitive information into log file in Windows Failover Cluster allows an authorized attacker to disclose information locally.
Patch / fix
- Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.1913
- Microsoft Windows Server 2025 10.0.26100.6899
- Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.6899
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 12 mo ago
Exploit prediction
0.62% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.5 | 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 |
| CNA | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
Affected products
- Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)
- Microsoft Windows Server 2025
- Microsoft Windows Server 2025 (Server Core installation)
Classification
- Weakness
-
- CWE-532 Insertion of Sensitive Information into Log File
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2025-47979
vendor-advisory, patch
Sources
- CVE List CVE-2025-47979
- NVD CVE-2025-47979
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.