---
id: "CVE-2026-126880"
page: "https://infrastack.ai/live/CVE-2026-126880"
kind: "vulnerability"
aliases: ["CVE-2026-126880"]
title: "Chrome: V8 type confusion lets a crafted web page run code"
severity: "high"
cvss: null
epss: null
exploited: false
status: "open"
category: "other"
products: []
ecosystems: []
tags: ["browsers", "chrome", "endpoints", "other"]
not_affected_if: ["chrome-up-to-date"]
published_at: "2026-11-11T23:17:17+00:00"
first_seen_at: "2026-11-11T23:29:38+00:00"
updated_at: "2026-11-11T23:32:15+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-126880", "first_seen_at": "2026-11-11T23:29:38+00:00"}]
exploit_sources: []
---

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

Link for people: https://infrastack.ai/live/CVE-2026-126880 (this .md is for agents)

A type confusion bug in the V8 JavaScript engine of Google Chrome versions before 157.0.8103.78 lets a remote attacker run arbitrary code inside the browser sandbox. The attack works through a crafted HTML page that a victim opens.

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

## How to check

- Open Chrome and check the version under Settings > About Chrome; it should read `157.0.8103.78` or later.
- Check the installed version on managed machines with `google-chrome --version` on Linux.

## Fix

- Google Chrome: move to `157.0.8103.78` or later.

## Timeline

- 2026-11-11T23:29:38+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-126880

## From the sources

Type confusion in V8 in Google Chrome prior to 157.0.8103.78 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

---

_Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai_