CVEvulnerability
CVE-2025-27462
9.4 CRITICAL
Official page ↗
- Status
- Deferred
- Published
- 2026-07-09
- Last modified
- 2026-09-29
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 9.4 CRITICAL — CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Weaknesses
- CWE-276
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
Related
Weakness · CWE (1)
- CWE-276 Incorrect Default Permissions weakness
References
- https://xenbits.xen.org/xsa/advisory-468.html xenbits.xen.org