CVE-2026-34332: Microsoft Windows Server 2025

High severity, CVSS 8.0. EPSS: 0.8% chance of exploitation in the next 30 days.

Use after free in Windows Kernel-Mode Drivers allows an authorized attacker to execute code over a network.

Affected products

• Microsoft Windows Server 2025: before 10.0.26100.32772 (fixed in 10.0.26100.32772)

Published 2026-05-12. Last modified 2026-06-17.