---
id: "CVE-2026-118330"
kind: "vulnerability"
aliases: ["CVE-2026-118330"]
title: "Chrome on Windows: use-after-free lets a crafted page run code in sandbox"
severity: "high"
cvss: null
epss: null
exploited: false
status: "open"
category: "other"
products: []
ecosystems: []
tags: ["browser", "chrome", "endpoints", "other", "windows"]
not_affected_if: ["chrome-updated", "non-windows"]
published_at: "2026-10-27T23:17:01+00:00"
first_seen_at: "2026-10-27T23:29:43+00:00"
updated_at: "2026-10-27T23:31:53+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-118330", "first_seen_at": "2026-10-27T23:29:43+00:00"}]
---

# Chrome on Windows: use-after-free lets a crafted page run code in sandbox

A use-after-free bug in the Browser component of Google Chrome on Windows lets a remote attacker run arbitrary code inside the browser sandbox when a user opens a crafted HTML page. Chromium rates it High severity.

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

## How to check

- Open Chrome, go to `chrome://settings/help` and read the installed version
- Check the version with `chrome --version` on the machine, where the browser is installed

## Fix

- Update Google Chrome on Windows to `156.0.8078.73` or later, via `chrome://settings/help` or your managed update tool

## Timeline

- 2026-10-27T23:29:43+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-118330

## From the sources

Use after free in Browser in Google Chrome on on Windows 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_