CVE-2026-96864CWE-415

CVE-2026-96864

Critical · published October 13, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
50.4
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00648 · 50.4th percentile
Weakness
CWE-415 · Double Free
Published
2026-10-13T23:22Z
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96864 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:35Z
    EPSS moved — → 1%
    epss
  • 13 OCT 19:00Z
    Microsoft Failover Cluster Virtual Driver Remote Code Execution Vulnerability
    cvelistv5
  • 13 OCT 19:00Z
    Microsoft Failover Cluster Virtual Driver Remote Code Execution Vulnerability
    cvelistv5