---
id: CVE-2025-36940
title: >-
  Use-After-Free vulnerability in a zircon kernel pager proxy (Fuchsia), which
  could lead to a Privilege Escalation from Userspace to Kernel (AP)
summary: >-
  Use-After-Free vulnerability in a zircon kernel pager proxy (Fuchsia), which
  could lead to a Privilege Escalation from Userspace to Kernel (AP)
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-416
published: '2026-08-24'
updated: '2026-09-29'
sourceUpdated: '2026-09-29T10:10:00.263'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-36940'
references:
  - url: >-
      https://support.google.com/product-documentation/answer/17072818?hl=en&ref_topic=12974021&sjid=10451061435205708316-NC
    label: dsap-vuln-management@google.com
tags:
  - nvd
ingestedAt: '2026-09-29T10:31:36.306Z'
---

## Overview

Use-After-Free vulnerability in a zircon kernel pager proxy (Fuchsia), which could lead to a Privilege Escalation from Userspace to Kernel (AP)

## Remediation

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