CVE-2025-27462

CRITICAL

CVSS v4.0: 9.4

No privilegesNo user interactionVendor advisory ref

Source data as of:

At a glance

Severity
CRITICAL
CVSS
9.4 v4.0 · NVD
EPSS
EPSS not provided by FIRST.org for this CVE
CISA KEV
No
Attack conditions (CVSS vector)
No privilegesNo user interaction · Source: NVD Vector
Published
2026-07-09 · Modified: 2026-07-09
References
Jump to references (1)

CVSS / EPSS / KEV

CVSS v4.0 9.4 / 10 CRITICAL Source: NVD
EPSS — EPSS not provided by FIRST.org for this CVE Source: FIRST.org
CISA KEV No Source: CISA

Source — CVSS: NVD · EPSS: FIRST.org · KEV: CISA. Data & Sources

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

Record details

CVE ID
CVE-2025-27462
CVSS (v4.0)
9.4 (CRITICAL)
Vector
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
CISA KEV
No
Weakness (CWE)
CWE-276
Affected configurations (CPE)
0
Published
2026-07-09
Modified
2026-07-09
Status
Deferred

References

Reference URLs as listed by NVD, grouped by a mechanical match on the link's host/pattern. Labels describe the link type only.

Related records

Other records sharing a factual facet, for cross-reference. A descriptive neighbourhood — ordering does not imply priority and is not a recommendation.

Same weakness type (CWE)

CVE-2025-27463 CRITICAL CVSS 9.4 CVE-2025-27464 CRITICAL CVSS 9.4 CVE-2025-8766 MEDIUM CVSS 6.4

Published the same year

CVE-2025-62718 CRITICAL CVSS 9.9 CVE-2025-27463 CRITICAL CVSS 9.4 CVE-2025-27464 CRITICAL CVSS 9.4 CVE-2025-58146 CRITICAL CVSS 9.4
← Back to all records