The vulnerability of the CCF (Cluster Client Failover) mechanism in Windows operating systems, which allows attackers to exploit their privileges.

The vulnerability of the CCF Cluster Client Failover mechanism in Windows operating systems relates to the possibility of exploiting memory after it is freed. Exploiting this vulnerability can allow an attacker to increase their privileges...

CVE-2026-21251 Cluster Client Failover (CCF) Elevation of Privilege Vulnerability

...

CVE-2026-21251

CVE-2026-21251 describes a use-after-free in the Windows Cluster Client Failover, enabling a locally authenticated attacker to achieve privilege elevation. The CVSS 3.1 base score is 7.8 (HIGH) with local attack vector, low complexity, and low privileges required; confidentiality, integrity, and ...

Cluster Client Failover (CCF) Elevation of Privilege Vulnerability

Use after free in Windows Cluster Client Failover allows an authorized attacker to elevate privileges locally...

CVE-2026-21251: Use After Free

Use after free in Windows Cluster Client Failover allows an authorized attacker to elevate privileges locally...

EUVD-2022-29370

Malicious code in bioql PyPI...

CVE-2022-24489

Cluster Client Failover CCF Elevation of Privilege Vulnerability...

CVE-2022-24489

Cluster Client Failover CCF Elevation of Privilege Vulnerability...

Privilege escalation

Cluster Client Failover CCF Elevation of Privilege Vulnerability...

CVE-2022-24489 Cluster Client Failover (CCF) Elevation of Privilege Vulnerability

...

CVE-2022-24489 Cluster Client Failover (CCF) Elevation of Privilege Vulnerability

...