---
id: CVE-2026-95344
title: >-
  Race condition in DevTools in Google Chrome prior to 154.0.8037.57 allowed a
  remote attacker leveraging social engineering to bypass site isolation via a
  crafted Chrome extension
summary: >-
  Race condition in DevTools in Google Chrome prior to 154.0.8037.57 allowed a
  remote attacker leveraging social engineering to bypass site isolation via a
  crafted Chrome extension. (Chromium security severity: Medium)
severity: high
cvss: 8
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N'
cwe:
  - CWE-367
vendor: google
product: chrome
affected:
  - chrome < 154.0.8037.57
patched:
  - chrome 154.0.8037.57
published: '2026-09-29'
updated: '2026-10-01'
sourceUpdated: '2026-10-01T15:05:09.667'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-95344'
references:
  - url: >-
      https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0856730748.html
    label: chrome-cve-admin@google.com
  - url: 'https://issues.chromium.org/issues/548611433'
    label: chrome-cve-admin@google.com
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-95344.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-95344'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-95344'
tags:
  - nvd
  - cve.org
  - csaf
  - vex
  - red-hat
  - score-dispute
epss: 0.00189
epssPercentile: 0.08467
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-30T19:56:23.098470Z'
scores:
  nvd: 8
  vendor: 5.3
ingestedAt: '2026-09-29T17:41:02.226Z'
---

## Overview

Race condition in DevTools in Google Chrome prior to 154.0.8037.57 allowed a remote attacker leveraging social engineering to bypass site isolation via a crafted Chrome extension. (Chromium security severity: Medium)

## Affected

- `chrome < 154.0.8037.57`

## Remediation

Upgrade past the affected range:

- `chrome 154.0.8037.57`

## Vendor advisories

- **Red Hat VEX** · updated 2026-10-05 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-95344.json)