---
id: "CVE-2026-121246"
kind: "vulnerability"
aliases: ["CVE-2026-121246"]
title: "Chrome on Android: WebGL use-after-free lets a crafted page run code"
severity: "critical"
cvss: null
epss: null
exploited: false
status: "open"
category: "other"
products: []
ecosystems: []
tags: ["android", "chrome", "mobile", "other", "webgl"]
not_affected_if: ["chrome-updated", "non-android-platform"]
published_at: "2026-11-03T21:17:35+00:00"
first_seen_at: "2026-11-03T21:19:29+00:00"
updated_at: "2026-11-03T21:21:04+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-121246", "first_seen_at": "2026-11-03T21:19:29+00:00"}]
---

# Chrome on Android: WebGL use-after-free lets a crafted page run code

A use-after-free bug in WebGL in Google Chrome for Android lets a remote attacker run arbitrary code outside the browser sandbox via a crafted HTML page. Chromium rates it Critical.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Open Chrome on the Android device and check the version under Settings > About Chrome.
- Compare the installed version with `157.0.8103.38`.

## Fix

- Google Chrome on Android: `157.0.8103.38` or later.

## Timeline

- 2026-11-03T21:19:29+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-121246

## From the sources

Use after free in WebGL in Google Chrome on on Android prior to 157.0.8103.38 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_