---
id: "CVE-2026-118305"
kind: "vulnerability"
aliases: ["CVE-2026-118305"]
title: "Chrome: memory corruption in Turbolev lets a crafted page escape the sandbox"
severity: "high"
cvss: null
epss: null
exploited: false
status: "open"
category: "runtime"
products: []
ecosystems: []
tags: ["browsers", "chrome", "desktop", "endpoints", "runtime"]
not_affected_if: ["already-on-156.0.8078.73-or-later"]
published_at: "2026-10-27T23:16:58+00:00"
first_seen_at: "2026-10-27T23:29:42+00:00"
updated_at: "2026-10-27T23:33:24+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-118305", "first_seen_at": "2026-10-27T23:29:42+00:00"}]
---

# Chrome: memory corruption in Turbolev lets a crafted page escape the sandbox

A memory corruption bug in the Turbolev component of Google Chrome, before 156.0.8078.73, can be triggered by a crafted HTML page. An attacker who lures a user to that page may execute arbitrary code outside the browser sandbox.

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

## How to check

- Run `chrome://version` in Chrome and compare the version shown against `156.0.8078.73`.
- On managed fleets, query the installed Chrome version with your endpoint management tool.

## Fix

- Update Google Chrome to `156.0.8078.73` or later and restart the browser.

## Timeline

- 2026-10-27T23:29:42+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-118305

## From the sources

Memory corruption in Turbolev in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to potentially 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_