CVE-2025-47979: Microsoft Windows Server 2022 23h2

Medium severity, CVSS 5.5. EPSS: 0.6% chance of exploitation in the next 30 days.

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

Affected products

• Microsoft Windows Server 2022 23h2: before 10.0.25398.1913 (fixed in 10.0.25398.1913)
• Microsoft Windows Server 2025: up to and including 10.0.26100.6899

Published 2025-10-14. Last modified 2026-06-17.