---
id: "CVE-2026-113101"
kind: "vulnerability"
aliases: ["CVE-2026-113101"]
title: "Google Chrome: use-after-free lets a crafted web page run code in sandbox"
severity: "high"
cvss: 8.8
epss: null
exploited: false
status: "open"
category: "other"
products: [{"name": "google chrome", "fixed": ["156.0.8078.47"], "affected": "< 156.0.8078.47", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["chrome", "desktop-browser", "linux", "macos", "other", "windows"]
not_affected_if: ["chrome-already-updated"]
published_at: "2026-10-20T22:19:01+00:00"
first_seen_at: "2026-10-23T21:57:24+00:00"
updated_at: "2026-10-23T22:37:21+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-113101", "first_seen_at": "2026-10-23T21:57:24+00:00"}]
---

# Google Chrome: use-after-free lets a crafted web page run code in sandbox

Google Chrome before 156.0.8078.47 has a use-after-free bug in its Site Isolation component. A remote attacker who gets a user to open a crafted HTML page can execute arbitrary code 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

Run chrome://version in the browser and compare the version with 156.0.8078.47.
On managed fleets, query the installed Chrome version with the endpoint management tool.

## Fix

Update Google Chrome to 156.0.8078.47 or later and restart the browser.

## Timeline

- 2026-10-23T21:57:24+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-113101

## From the sources

Use after free in SiteIsolation in Google Chrome prior to 156.0.8078.47 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_