← Database
CVE-2026-21251
HIGH
CVSS: 7.8
Published: 2026-02-10
Modified: 2026-06-17
Description
Use after free in Windows Cluster Client Failover allows an authorized attacker to elevate privileges locally.
Affected Platforms
Microsoft Windows Server 2016Microsoft Windows Server 2019Microsoft Windows Server 2022Microsoft Windows Server 2025Microsoft Windows Server 2022 23H2