CVE-2026-64513: KVM: x86: Unconditionally recompute CR8 intercept on PPR update

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Jul

Released

2026-07-26

Last Updated

2026-08-11

EPSS Score

0.18% (percentile: 7.3%)

Affected Products (3)

Other

• 21626-17084
• 21684-17084
• 21580-17084

Revision History

• 2026-07-26: Information published.
• 2026-07-27: Information published.
• 2026-08-07: Information published.
• 2026-08-11: Information published.