SEPTEMBER 18, 2026
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Case File

CVE-2025-27462

CRITICAL · CVSS 9.4 EPSS 0.16%

Source: NVD + CISA KEV + EPSS · Published 2026-07-09 · Last synced 2026-08-08

CyberRota Analysis

AI-Generated

Windows PV drivers are vulnerable due to the exposure of facilities like XenCons to userspace without proper security descriptors, allowing unprivileged users full access. This could lead to unauthorized actions or data manipulation within the system. Organizations using affected Windows systems should prioritize addressing this vulnerability to mitigate potential security risks.

CVE
CVE-2025-27462
Severity
CRITICAL
CVSS
9.4
EPSS
0.16%
Windows

Original NVD 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