critical9.8
CVE-2026-96864
Double free in Microsoft Failover Cluster Virtual Driver allows an unauthorized attacker to execute code over a network.
Impact
Double free in Microsoft Failover Cluster Virtual Driver allows an unauthorized attacker to execute code over a network.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Windows Server 2022 | from 10.0.20348.0 before 10.0.20348.5761 |
| Microsoft | Windows Server 2012 R2 (Server Core Installation) | from 6.3.9600.0 before 6.3.9600.23470 |
| Microsoft | Windows Server 2025 (Server Core Installation) | from 10.0.26100.0 before 10.0.26100.33650 |
| Microsoft | Windows Server 2012 (Server Core Installation) | from 6.2.9200.0 before 6.2.9200.26434 |
| Microsoft | Windows Server 2025 | from 10.0.26100.0 before 10.0.26100.33650 |
| Microsoft | Windows Server 2012 | from 6.2.9200.0 before 6.2.9200.26434 |
| Microsoft | Windows Server 2016 (Server Core Installation) | from 10.0.14393.0 before 10.0.14393.9612 |
| Microsoft | Windows 10 Version 1809 | from 10.0.17763.0 before 10.0.17763.9376 |
| Microsoft | Windows 10 Version 1607 | from 10.0.14393.0 before 10.0.14393.9612 |
| Microsoft | Windows Server 2016 | from 10.0.14393.0 before 10.0.14393.9612 |
| Microsoft | Windows Server 2019 (Server Core Installation) | from 10.0.17763.0 before 10.0.17763.9376 |
| Microsoft | Windows Server 2012 R2 | from 6.3.9600.0 before 6.3.9600.23470 |
| Microsoft | Windows 10 1607 | before 10.0.14393.9612 |
| Microsoft | Windows 10 1809 | before 10.0.17763.9376 |
| Microsoft | Windows Server 2012 | All versions Version r2 |
| Microsoft | Windows Server 2016 | before 10.0.14393.9612 |
| Microsoft | Windows Server 2019 | before 10.0.17763.9376 |
| Microsoft | Windows Server 2022 | before 10.0.20348.5761 |
| Microsoft | Windows Server 2025 | before 10.0.26100.33650 |