---
id: "CVE-2026-76030"
kind: "vulnerability"
aliases: ["CVE-2026-76030"]
title: "Chrome: memory corruption in FileSystem lets crafted web page run code"
severity: "high"
cvss: null
epss: null
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["browser", "chrome", "desktop", "mobile", "package"]
not_affected_if: ["chrome-updated"]
published_at: "2026-10-30T01:16:47+00:00"
first_seen_at: "2026-10-30T01:27:59+00:00"
updated_at: "2026-10-30T01:29:43+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-76030", "first_seen_at": "2026-10-30T01:27:59+00:00"}]
---

# Chrome: memory corruption in FileSystem lets crafted web page run code

A memory corruption bug in the FileSystem component of Google Chrome before 156.0.8078.79 lets a remote attacker run code inside the browser sandbox by serving 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

- Check the installed Chrome version: `chrome://settings/help` or the Help menu in Chrome.
- Confirm the version is below `156.0.8078.79`.

## Fix

- Google Chrome: move to `156.0.8078.79` or later.

## Timeline

- 2026-10-30T01:27:59+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-76030

## From the sources

Memory corruption in FileSystem in Google Chrome prior to 156.0.8078.79 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_