CVE-2026-88102
CriticalCVSS 9.8Exploitation Probability (EPSS)
Low risk50th percentile - higher than 50% of all known CVEs
Summary
Use-after-free vulnerability in Windows Failover Cluster allows an unauthorized attacker to execute code over a network.
Risk Assessment
An attacker could exploit this vulnerability to take control of the cluster, potentially disrupting service availability and compromising data.
Recommendation
Apply Windows updates from Microsoft to remediate this vulnerability.
Other vulnerabilities in Windows Failover Cluster
See all- 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-2026-71338Medium
Double free in Windows Failover Cluster allows an authorized attacker to elevate privileges locally.
- 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)
Use after free in Windows Failover Cluster allows an unauthorized attacker to execute code over a network.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

