VULNERABILITY INTELLIGENCE

CVE-2025-27464

CVSS score9.4 CRITICAL
EPSS probability0.16%
CISA KEVNot currently listed
Published2026-07-09
Last modified2026-09-29
CVSS vectorCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Description

[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] The Windows PV drivers expose various facilities to userspace. Several of these have no security descriptor, and are therefore fully accessible to unprivileged users. These are: 1. XenCons, CVE-2025-27462 2. XenIface, CVE-2025-27463 3. XenBus, CVE-2025-27464

Weakness classification

  • CWE-276: Incorrect Default Permissions

Primary references