CVE Catalog

CVE-2026-96864

CriticalCVSS 9.8
Published: Updated: Translated: NVD NIST

Summary

A double free in Microsoft Failover Cluster Virtual Driver allows an unauthorized attacker to execute code over a network. The flaw occurs when the same memory is freed more than once.

Risk Assessment

An attacker could remotely execute arbitrary code in the context of the cluster driver, potentially leading to takeover of cluster nodes and destabilization of the infrastructure.

Recommendation

Immediately apply Microsoft security patches for the Failover Cluster Virtual Driver and restrict network access to the cluster.

Related vulnerabilities

Original NVD description (English source)

Double free in Microsoft Failover Cluster Virtual Driver allows an unauthorized attacker to execute code over a network.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS