---
id: CVE-2026-120931
title: >-
  Out of bounds write in WebGL in Google Chrome on on Android prior to
  156.0.8078.47 allowed a remote attacker to execute arbitrary code outside the
  sandbox via a crafted HTML page
summary: >-
  Out of bounds write in WebGL in Google Chrome on on Android prior to
  156.0.8078.47 allowed a remote attacker to execute arbitrary code outside the
  sandbox via a crafted HTML page. (Chromium security severity: Critical)
severity: critical
cvss: 9.6
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H'
cvssSource: adp
cwe:
  - CWE-787
vendor: Google
product: Chrome
affected:
  - Chrome >= 156.0.8078.47 < 156.0.8078.47
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-11-03T00:00:00+00:00'
published: '2026-11-03'
updated: '2026-11-05'
sourceUpdated: '2026-11-05T04:55:45.077Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-120931'
references:
  - url: >-
      https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02018666648.html
  - url: 'https://issues.chromium.org/issues/550607402'
tags:
  - cve.org
epss: 0.0042
epssPercentile: 0.36615
ingestedAt: '2026-11-05T21:36:00.730Z'
---

## Overview

Out of bounds write in WebGL in Google Chrome on on Android prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

## Affected

- `Chrome >= 156.0.8078.47 < 156.0.8078.47`

## Remediation

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