---
id: "CVE-2026-113209"
kind: "vulnerability"
aliases: ["CVE-2026-113209"]
title: "Chrome on iOS: navigation memory corruption lets a web page read sandbox memory"
severity: "medium"
cvss: 6.5
epss: null
exploited: false
status: "open"
category: "other"
products: []
ecosystems: []
tags: ["browser", "chrome", "ios", "other"]
not_affected_if: ["fixed-version"]
published_at: "2026-10-20T22:19:13+00:00"
first_seen_at: "2026-10-23T21:57:24+00:00"
updated_at: "2026-10-25T03:53:04+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-113209", "first_seen_at": "2026-10-23T21:57:24+00:00"}]
---

# Chrome on iOS: navigation memory corruption lets a web page read sandbox memory

A memory corruption bug in Navigation in Google Chrome on iOS, before 156.0.8078.47, lets a remote attacker read memory inside the browser sandbox. The attack is triggered by a crafted HTML page the user opens.

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

## How to check

- Open Chrome on iOS and check the version under Settings > Google Chrome > About Chrome, or run `unknown` on managed devices if the sources do not say how to query it.

## Fix

- Update Chrome on iOS to `156.0.8078.47` or later through the App Store.

## Timeline

- 2026-10-23T21:57:24+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-113209

## From the sources

Memory corruption in Navigation in Google Chrome on on iOS 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)

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