CVE-2026-113195

Modified Modified - Updated After Analysis

Improper Input Validation in Google Chrome Allows Code Execution

Publication date: 2026-10-20

Last updated on: 2026-11-03

Assigner: Chrome

Description

Improper input validation in Downloads in Google Chrome prior to 156.0.8078.47 allowed a remote attacker who had compromised the renderer process to bypass site isolation 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-2026-113195

EUVD

EUVD-2026-105578

Affected Vendors & Products

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

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
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 the Downloads feature of Google Chrome before version 156.0.8078.47. A remote attacker could exploit this 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's Downloads feature. Detection primarily requires checking the installed Chrome version. Use commands like 'google-chrome --version' or 'chromium-browser --version' to verify if your version is below 156.0.8078.47. If so, update immediately.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your device through Chrome, even if the sandbox is active. This might lead to unauthorized access to your data, installation of malware, or further attacks on your system.

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 arbitrary code execution could lead to unauthorized access to sensitive user data, which may violate GDPR's data protection requirements or HIPAA's safeguards for protected health information.

Mitigation Strategies

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

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