---
id: "CVE-2026-113333"
kind: "vulnerability"
aliases: ["CVE-2026-113333"]
title: "Google Chrome: memory corruption in Extensions lets crafted pages read sandbox memory"
severity: "medium"
cvss: 6.5
epss: null
exploited: false
status: "open"
category: "package"
products: [{"name": "google chrome", "fixed": ["156.0.8078.47"], "affected": "< 156.0.8078.47", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["browser", "chrome", "desktop", "endpoints", "package"]
not_affected_if: ["chrome-156.0.8078.47-or-later"]
published_at: "2026-10-20T22:19:27+00:00"
first_seen_at: "2026-10-23T21:57:24+00:00"
updated_at: "2026-10-25T03:51:44+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-113333", "first_seen_at": "2026-10-23T21:57:24+00:00"}]
---

# Google Chrome: memory corruption in Extensions lets crafted pages read sandbox memory

Google Chrome versions before 156.0.8078.47 have a memory corruption bug in the Extensions component. A remote attacker who lures a user to a crafted HTML page can potentially read memory inside the browser sandbox.

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

## Affected

- vendor:google chrome affected < 156.0.8078.47 fixed 156.0.8078.47

## How to check

- Open chrome://settings/help in each managed browser and read the version number
- Check the installed version with `google-chrome --version` on Linux machines
- Fleet tools: query the Chrome version reported by your MDM or endpoint management system

## Fix

- Update Google Chrome to `156.0.8078.47` or later
- Relaunch the browser after the update so the new build takes effect

## Timeline

- 2026-10-23T21:57:24+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-113333

## From the sources

Memory corruption in Extensions in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially read memory inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_