---
id: "CVE-2026-121068"
kind: "vulnerability"
aliases: ["CVE-2026-121068"]
title: "Chrome: V8 type confusion lets a crafted web page run code"
severity: "high"
cvss: null
epss: null
exploited: false
status: "open"
category: "runtime"
products: []
ecosystems: []
tags: ["browsers", "chrome", "endpoints", "runtime"]
not_affected_if: ["already-updated", "no-chrome"]
published_at: "2026-11-03T21:17:11+00:00"
first_seen_at: "2026-11-03T21:19:11+00:00"
updated_at: "2026-11-03T21:27:01+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-121068", "first_seen_at": "2026-11-03T21:19:11+00:00"}]
---

# Chrome: V8 type confusion lets a crafted web page run code

A type confusion bug in the V8 JavaScript engine of Google Chrome, fixed in version 157.0.8103.38, lets a remote attacker run arbitrary code inside the browser sandbox via a crafted HTML page. Chromium rates it High severity, and the sources give no exploitation status.

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

## How to check

- Open Chrome's version page (chrome://settings/help) and compare the version to `157.0.8103.38`
- Check the Chrome version on managed machines with your device management tool; unknown for other tooling

## Fix

- Google Chrome: move to `157.0.8103.38` or later

## Timeline

- 2026-11-03T21:19:11+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-121068

## From the sources

Type confusion in V8 in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to execute arbitrary code inside 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_