CVE-2026-113030

Modified Modified - Updated After Analysis

Improper Access Control in Google Chrome V8

Publication date: 2026-10-20

Last updated on: 2026-11-03

Assigner: Chrome

Description

Use of uninitialized variable in V8 in Google Chrome 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)

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-2026-113030

EUVD

EUVD-2026-105653

Affected Vendors & Products

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

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CWE-457	The code uses a variable that has not been initialized, leading to unpredictable or unintended results.

Attack-Flow Graph

Executive Summary

This vulnerability is an improper access control issue in V8, the JavaScript engine used by Google Chrome. It allows a remote attacker to bypass the web origin policy through a specially crafted HTML page. This means the attacker could potentially access or manipulate data from different websites than intended.

Impact Analysis

If exploited, this vulnerability could allow an attacker to access sensitive data from other websites you are logged into, perform unauthorized actions on your behalf, or intercept information sent between your browser and trusted sites. This could lead to identity theft, financial loss, or privacy breaches.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, violating GDPR's data protection principles and HIPAA's privacy and security rules. Organizations using affected Chrome versions may face compliance breaches, legal penalties, and reputational damage if exploited.

Mitigation Strategies

Update Google Chrome to version 156.0.8078.47 or later to address the improper access control in V8.

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