CVE-2026-113120

Modified Modified - Updated After Analysis

Improper Input Validation in Google Chrome Leads to Arbitrary Code Execution

Publication date: 2026-10-20

Last updated on: 2026-11-03

Assigner: Chrome

Description

Use of uninitialized variable in Media in Google Chrome 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)

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-2026-113120

EUVD

EUVD-2026-105648

Affected Vendors & Products

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

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-457	The code uses a variable that has not been initialized, leading to unpredictable or unintended results.
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 Media component. A remote attacker could exploit it by tricking a user into visiting a crafted HTML page, potentially allowing arbitrary code execution within the browser's sandbox.

Detection Guidance

This vulnerability is specific to Google Chrome versions prior to 156.0.8078.47. To detect it, check your Chrome version by running chrome://version/ in the browser address bar. If your version is below 156.0.8078.47, the system is vulnerable.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your device through Chrome, potentially stealing data, installing malware, or monitoring your activities. It requires user interaction like clicking a malicious link.

Compliance Impact

This vulnerability involves improper input validation in Google Chrome, allowing remote attackers to execute arbitrary code inside the sandbox via crafted HTML pages. Such vulnerabilities can potentially lead to unauthorized data access or manipulation, which may violate GDPR (General Data Protection Regulation) by compromising personal data integrity and confidentiality. For HIPAA (Health Insurance Portability and Accountability Act), this could risk protected health information (PHI) exposure if exploited in healthcare environments.

Mitigation Strategies

Update Google Chrome to version 156.0.8078.47 or later to address the vulnerability.

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