CVE-2026-113249

Modified Modified - Updated After Analysis

Improper Input Validation in Google Chrome on iOS

Publication date: 2026-10-20

Last updated on: 2026-11-03

Assigner: Chrome

Description

Missing authorization in Mobile in Google Chrome on on iOS prior to 156.0.8078.47 allowed a remote attacker to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

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Meta Information

Published

2026-10-20

Last Modified

2026-11-03

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-113249

EUVD

EUVD-2026-105547

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 156.0.8078.47 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-862	The product does not perform an authorization check when an actor attempts to access a resource or perform an action.
CWE-20	The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Attack-Flow Graph

Executive Summary

This vulnerability involves improper input validation in Google Chrome on iOS versions before 156.0.8078.47. A remote attacker could exploit it by tricking a user into visiting a specially crafted HTML page, potentially allowing arbitrary code execution within the browser's sandbox.

Detection Guidance

This vulnerability involves improper input validation in Google Chrome on iOS. Detection requires checking the installed Chrome version. If your version is prior to 156.0.8078.47, the system is vulnerable. Use commands like 'chrome --version' on iOS or check the App Store for updates.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your device through the Chrome browser, even if you're using the sandboxed environment. This might lead to unauthorized access to data, installation of malware, or other malicious activities without your knowledge.

Compliance Impact

This vulnerability involves improper input validation in Google Chrome on iOS, allowing remote attackers to execute arbitrary code inside the sandbox via crafted HTML pages. While it does not directly reference compliance standards like GDPR or HIPAA, such vulnerabilities can pose risks to data confidentiality and integrity, which are key concerns under these regulations.

Mitigation Strategies

Update Google Chrome on iOS to version 156.0.8078.47 or later to address the improper input validation issue.

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