CVE-2026-71338
MediumCVSS 6.4Exploitation Probability (EPSS)
Low risk18th percentile - higher than 18% of all known CVEs
Summary
Double free in Windows Failover Cluster allows an authorized attacker to elevate privileges locally.
Risk Assessment
Privilege escalation could lead to system compromise, posing a serious security risk.
Recommendation
Apply Windows security updates that fix this flaw.
Other vulnerabilities in Windows Failover Cluster
See all- CVE-2026-88102Critical
Use-after-free vulnerability in Windows Failover Cluster allows an unauthorized attacker to execute code over a network.
- CVE-2026-73010Critical
Use after free in Windows Failover Cluster allows an unauthorized attacker to execute code over a network.
- CVE-2026-96945High
Uncaught exception in Windows Failover Cluster allows an unauthorized attacker to deny service over a network.
- CVE-2026-88099Medium
Uncaught exception in Windows Failover Cluster allows an unauthorized attacker to deny service over a network.
- CVE-2026-102192High
An integer underflow (wrap or wraparound) vulnerability in Windows Failover Cluster allows an unauthorized attacker to deny service over a network.
- CVE-2026-78444High
Untrusted pointer dereference in Windows Failover Cluster allows an unauthorized attacker to execute code over a network.
- CVE-2026-72989High
Use of uninitialized resource in Windows Failover Cluster allows an unauthorized attacker to disclose information over a network.
- CVE-2025-47979Medium
Insertion of sensitive information into log file in Windows Failover Cluster allows an authorized attacker to disclose information locally.
Original NVD description (English source)
Double free in Windows Failover Cluster allows an authorized attacker to elevate privileges locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS