CVE-2026-113062

Modified Modified - Updated After Analysis

Improper Input Validation in Google Chrome API

Publication date: 2026-10-20

Last updated on: 2026-11-03

Assigner: Chrome

Description

Missing authorization in API in Google Chrome prior to 156.0.8078.47 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS 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-2026-113062

EUVD

EUVD-2026-105668

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's API. A remote attacker could exploit a crafted HTML page to execute arbitrary code within the browser's sandbox environment.

Detection Guidance

Detection may require checking the installed version of Google Chrome. Compare your version against 156.0.8078.47. Use chrome://settings/help in the browser or system package managers to verify.

Impact Analysis

An attacker could potentially run malicious code on your device through a specially designed webpage, leading to unauthorized access or data theft. This risk is higher if you use untrusted websites or outdated Chrome versions.

Compliance Impact

This vulnerability involves improper input validation in Google Chrome's API, potentially allowing arbitrary code execution inside a sandbox via crafted HTML. While it does not directly impact GDPR or HIPAA compliance, such vulnerabilities could lead to unauthorized data access or processing, which may violate these regulations if exploited.

Mitigation Strategies

Update Google Chrome to version 156.0.8078.47 or later immediately. Disable automatic updates temporarily if needed, but prioritize patching to address the arbitrary code execution risk.

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