---
id: "CVE-2026-121034"
kind: "vulnerability"
aliases: ["CVE-2026-121034"]
title: "Chrome on Windows: use-after-free lets crafted web page run code"
severity: "high"
cvss: null
epss: null
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["browser", "chrome", "package", "windows"]
not_affected_if: ["chrome-updated", "non-windows"]
published_at: "2026-11-03T21:17:06+00:00"
first_seen_at: "2026-11-03T21:19:09+00:00"
updated_at: "2026-11-03T21:27:33+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-121034", "first_seen_at": "2026-11-03T21:19:09+00:00"}]
---

# Chrome on Windows: use-after-free lets crafted web page run code

A use-after-free bug in the Views component of Google Chrome on Windows, before version 157.0.8103.38, lets a remote attacker run arbitrary code outside the browser sandbox. The attacker must lure the user into visiting a crafted HTML page via social engineering.

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

## How to check

- Open Chrome and check the version under Help > About Google Chrome, or run `chrome --version` from a terminal on Windows.
- Confirm the version is at least `157.0.8103.38`.

## Fix

- Google Chrome on Windows: update to `157.0.8103.38` or later.

## Timeline

- 2026-11-03T21:19:09+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-121034

## From the sources

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

---

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