CVE-2025-59260: Microsoft Windows Server 2016

Medium severity, CVSS 5.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Exposure of sensitive information to an unauthorized actor in Microsoft Failover Cluster Virtual Driver allows an authorized attacker to disclose information locally.

Affected products

• Microsoft Windows Server 2016: up to and including 10.0.14393.8519
• Microsoft Windows Server 2019: before 10.0.17763.7919 (fixed in 10.0.17763.7919)
• Microsoft Windows Server 2022: before 10.0.20348.4294 (fixed in 10.0.20348.4294)
• 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.