---
id: "CVE-2026-126843"
page: "https://infrastack.ai/live/CVE-2026-126843"
kind: "vulnerability"
aliases: ["CVE-2026-126843"]
title: "Chrome: type confusion in Turbolev lets a crafted page run code"
severity: "high"
cvss: null
epss: null
exploited: false
status: "open"
category: "runtime"
products: []
ecosystems: []
tags: ["browsers", "chrome", "chromium", "desktop", "runtime"]
not_affected_if: ["chrome-at-or-above-157.0.8103.78"]
published_at: "2026-11-11T23:17:12+00:00"
first_seen_at: "2026-11-11T23:29:35+00:00"
updated_at: "2026-11-11T23:33:47+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-126843", "first_seen_at": "2026-11-11T23:29:35+00:00"}]
exploit_sources: []
---

# Chrome: type confusion in Turbolev lets a crafted page run code

Link for people: https://infrastack.ai/live/CVE-2026-126843 (this .md is for agents)

A type confusion flaw in Turbolev, the JavaScript optimizing compiler inside Google Chrome, lets a crafted HTML page make the browser run code inside its sandbox. Chromium rates the flaw High severity.

_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, or run `google-chrome --version` on Linux.
- Compare the installed version with `157.0.8103.78`; anything older is exposed.

## Fix

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

## Timeline

- 2026-11-11T23:29:35+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-126843

## From the sources

Type confusion in Turbolev 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_