CVE-2026-113306

Modified Modified - Updated After Analysis

Improper Input Validation in Google Chrome Leads to Code Execution

Publication date: 2026-10-20

Last updated on: 2026-11-03

Assigner: Chrome

Description

Improper input validation in Network in Google Chrome prior to 156.0.8078.47 allowed a remote attacker leveraging social engineering to bypass web origin policy into a privileged page via a crafted file. (Chromium security severity: Low)

CVSS Scores

EPSS Scores

Probability:
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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-2026-113306

EUVD

EUVD-2026-105714

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 Google Chrome's Network component. It allows a remote attacker to execute arbitrary code inside the sandbox by tricking a user into visiting a specially crafted HTML page. The issue is rated as low severity by Chromium but has a high CVSS score due to potential impact.

Detection Guidance

Detection of this vulnerability requires checking the installed version of Google Chrome. Compare the version against 156.0.8078.47. If your version is prior to this, the system is vulnerable. Use commands like 'google-chrome --version' or check via package manager (e.g., 'apt list --installed | grep chrome' on Debian/Ubuntu).

No direct network detection commands are provided in the context. Focus on version verification as the primary detection method.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your device, potentially stealing data, installing malware, or taking control of your system. Since it requires user interaction (visiting a crafted page), users should avoid suspicious links or websites.

Compliance Impact

This vulnerability involves improper input validation in Google Chrome, enabling remote attackers to execute arbitrary code inside the sandbox via crafted HTML pages. While not directly tied to compliance standards, such vulnerabilities could potentially lead to unauthorized data access or processing, which may impact GDPR (data protection) or HIPAA (health data privacy) compliance 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. Avoid visiting untrusted websites until updated.

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