---
id: CVE-2025-12436
title: >-
  Policy bypass in Extensions in Google Chrome prior to 142.0.7444.59 allowed an
  attacker who convinced a user to install a malicious extension to obtain
  potentially sensitive information from process memory via a crafted Chrome
  Extension.…
summary: >-
  Policy bypass in Extensions in Google Chrome prior to 142.0.7444.59 allowed an
  attacker who convinced a user to install a malicious extension to obtain
  potentially sensitive information from process memory via a crafted Chrome
  Extension.…
severity: medium
cvss: 5.9
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-306
vendor: google
product: chrome
affected:
  - chrome < 142.0.7444.59
patched:
  - chrome 142.0.7444.59
published: '2025-11-10'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T16:10:00.223'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-12436'
references:
  - url: >-
      https://chromereleases.googleblog.com/2025/10/stable-channel-update-for-desktop_28.html
    label: chrome-cve-admin@google.com
  - url: 'https://issues.chromium.org/issues/40054742'
    label: chrome-cve-admin@google.com
tags:
  - nvd
epss: 0.00166
epssPercentile: 0.0532
ingestedAt: '2026-09-30T17:13:20.726Z'
---

## Overview

Policy bypass in Extensions in Google Chrome prior to 142.0.7444.59 allowed an attacker who convinced a user to install a malicious extension to obtain potentially sensitive information from process memory via a crafted Chrome Extension. (Chromium security severity: Medium)

## Affected

- `chrome < 142.0.7444.59`

## Remediation

Upgrade past the affected range:

- `chrome 142.0.7444.59`