---
id: "CVE-2026-118341"
kind: "vulnerability"
aliases: ["CVE-2026-118341"]
title: "Chrome: use-after-free in Modularization lets a web page run code"
severity: "high"
cvss: null
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["browsers", "chrome", "endpoints", "infrastructure"]
not_affected_if: ["chrome-updated"]
published_at: "2026-10-27T23:17:03+00:00"
first_seen_at: "2026-10-27T23:29:43+00:00"
updated_at: "2026-10-27T23:31:42+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-118341", "first_seen_at": "2026-10-27T23:29:43+00:00"}]
---

# Chrome: use-after-free in Modularization lets a web page run code

A use-after-free bug in the Modularization component of Google Chrome before 156.0.8078.73 lets a remote attacker run arbitrary code inside the browser sandbox. The attacker only needs the victim to load a crafted HTML page.

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

## How to check

- Run `chrome --version` or check chrome://settings/help to see the installed version
- Compare the result against `156.0.8078.73`

## Fix

- Update Google Chrome to `156.0.8078.73` or later
- Restart the browser after the update so the new version is running

## Timeline

- 2026-10-27T23:29:43+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-118341

## From the sources

Use after free in Modularization in Google Chrome prior to 156.0.8078.73 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_