---
id: "CVE-2026-121077"
kind: "vulnerability"
aliases: ["CVE-2026-121077"]
title: "Chrome for Android: use-after-free lets a crafted page run code"
severity: "medium"
cvss: null
epss: null
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["android", "chrome", "ios", "mobile", "package"]
not_affected_if: ["chrome-updated", "desktop-only"]
published_at: "2026-11-03T21:17:12+00:00"
first_seen_at: "2026-11-03T21:19:12+00:00"
updated_at: "2026-11-03T21:26:52+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-121077", "first_seen_at": "2026-11-03T21:19:12+00:00"}]
---

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

A use-after-free bug in the mobile version of Google Chrome can be triggered by a crafted HTML page. A remote attacker who tricks a user into visiting that page could potentially run arbitrary code outside the browser sandbox.

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

## How to check

- Open Chrome on the phone and check the version under Settings > About Chrome.
- Compare the version against `157.0.8103.38`; anything older is in the affected range.

## Fix

- Google Chrome (mobile): update to `157.0.8103.38` or later.

## Timeline

- 2026-11-03T21:19:12+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-121077

## From the sources

Use after free in Mobile in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

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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_