---
id: CVE-2025-27462
title: >-
  [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
summary: >-
  [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 descript…
severity: none
cwe:
  - CWE-276
published: '2026-07-09'
updated: '2026-09-29'
sourceUpdated: '2026-09-29T19:10:00.160'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-27462'
references:
  - url: 'https://xenbits.xen.org/xsa/advisory-468.html'
    label: security@xen.org
tags:
  - nvd
epss: 0.00158
epssPercentile: 0.04284
ingestedAt: '2026-09-29T19:44:04.104Z'
---

## Overview

[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

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.