CVE-2026-64561: KVM: x86: Check for invalid/obsolete root *after* making MMU pages available

Overview

Severity
Medium (CVSS 5.5)
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Exploit Status
Not Exploited
Patch Tuesday
2026-Aug
Released
2026-08-07
Last Updated
2026-08-09
EPSS Score
0.35% (percentile: 28.2%)

Detection & Weaponization (1 sources)

Maturity: Exploit

  • GitHub PoC: 6 repositories

Affected Products (1)

Other

  • 21626-17084

Revision History

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