---
id: "CVE-2026-121196"
kind: "vulnerability"
aliases: ["CVE-2026-121196"]
title: "Chrome on iOS: crafted web page bypasses restrictions into privileged page"
severity: "medium"
cvss: null
epss: null
exploited: false
status: "open"
category: "runtime"
products: []
ecosystems: []
tags: ["chrome", "ios", "mobile-browser", "runtime"]
not_affected_if: ["chrome-updated"]
published_at: "2026-11-03T21:17:28+00:00"
first_seen_at: "2026-11-03T21:19:25+00:00"
updated_at: "2026-11-03T21:22:53+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-121196", "first_seen_at": "2026-11-03T21:19:25+00:00"}]
---

# Chrome on iOS: crafted web page bypasses restrictions into privileged page

Google Chrome on iOS before 157.0.8103.38 has a privilege elevation flaw in its mobile browser. A remote attacker can use a crafted HTML page to bypass system access restrictions and reach a privileged page.

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

## How to check

- Open Chrome on the iPhone or iPad and check the version under Chrome menu > Settings > Google Chrome > About Chrome (version shown in the sources as `157.0.8103.38` or later means patched).
- Check managed devices with your mobile device management tool for the installed Chrome build.

## Fix

- Chrome on iOS: move to `157.0.8103.38` or later.

## Timeline

- 2026-11-03T21:19:25+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-121196

## From the sources

Privilege elevation in Mobile in Google Chrome on on iOS prior to 157.0.8103.38 allowed a remote attacker to bypass system access restrictions into a privileged page 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_