---
id: "CVE-2026-113043"
kind: "vulnerability"
aliases: ["CVE-2026-113043"]
title: "Chrome on iOS: use-after-free lets a crafted web page run code"
severity: "high"
cvss: 8.8
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: ["chrome", "ios", "other", "package"]
not_affected_if: ["already-updated-to-156.0.8078.47"]
published_at: "2026-10-20T22:18:55+00:00"
first_seen_at: "2026-10-23T21:57:23+00:00"
updated_at: "2026-10-23T22:37:57+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-113043", "first_seen_at": "2026-10-23T21:57:23+00:00"}]
---

# Chrome on iOS: use-after-free lets a crafted web page run code

A use-after-free bug in the iOSWeb component of Google Chrome on iOS lets a remote attacker run arbitrary code inside the browser sandbox through a crafted HTML page. The attacker needs the victim to open the page, and the sources do not say whether a sandbox escape is also possible.

_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 on the device, go to Settings > Google Chrome > About (or the Chrome version shown in the app settings) and read the version number; anything below 156.0.8078.47 is affected.

## Fix

Update Google Chrome on iOS to 156.0.8078.47 or later from the App Store.

## Timeline

- 2026-10-23T21:57:23+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-113043

## From the sources

Use after free in iOSWeb in Google Chrome on on iOS 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: Medium)

---

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