---
id: "CVE-2026-118320"
kind: "vulnerability"
aliases: ["CVE-2026-118320"]
title: "Chrome V8: memory corruption lets a crafted web page run code"
severity: "high"
cvss: null
epss: null
exploited: false
status: "open"
category: "runtime"
products: []
ecosystems: []
tags: ["browsers", "chrome", "desktop", "runtime"]
not_affected_if: ["chrome-current-version"]
published_at: "2026-10-27T23:17:00+00:00"
first_seen_at: "2026-10-27T23:29:43+00:00"
updated_at: "2026-10-27T23:31:58+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-118320", "first_seen_at": "2026-10-27T23:29:43+00:00"}]
---

# Chrome V8: memory corruption lets a crafted web page run code

Google Chrome versions before 156.0.8078.73 have a memory corruption bug in the V8 JavaScript engine. A remote attacker can use a crafted HTML page to potentially execute arbitrary code inside the browser sandbox.

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

## How to check

- Open Chrome and check the version at `chrome://settings/help`
- Compare the installed version against `156.0.8078.73`

## Fix

- Update Google Chrome to `156.0.8078.73` or later

## Timeline

- 2026-10-27T23:29:43+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-118320

## From the sources

Memory corruption in V8 in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to potentially 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_