CVE-2026-64604: KVM: VMX: Grab vmcs12 on CR8 interception update iff vCPU is in guest mode

Overview

Severity

High (CVSS 8.4)

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H/E:U/RL:U/RC:C

Exploit Status

Not Exploited

Patch Tuesday

2026-Aug

Released

2026-08-07

Last Updated

2026-08-09

EPSS Score

0.17% (percentile: 6.1%)

Affected Products (1)

Other

• 21626-17084

Revision History

• 2026-08-07: Information published.
• 2026-08-09: Information published.