CVE-2026-102299

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Type Confusion in Google Chrome

Publication date: 2026-09-29

Last updated on: 2026-09-29

Assigner: Chrome

Description

Type confusion in V8 in Google Chrome prior to 154.0.8037.92 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-29

Last Modified

2026-09-29

Generated

2026-09-30

AI Q&A

2026-09-30

EPSS Evaluated

N/A

NVD

CVE-2026-102299

EUVD

EUVD-2026-89377

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 154.0.8037.92 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-843	The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

Attack-Flow Graph

Executive Summary

This vulnerability is a type confusion issue in V8, the JavaScript engine used by Google Chrome. It allows a remote attacker to execute arbitrary code within the browser's sandbox by tricking a user into visiting a specially crafted HTML page. The sandbox is designed to isolate malicious activity, but this flaw bypasses those protections.

Detection Guidance

Detection requires checking the installed version of Google Chrome. Compare it against version 154.0.8037.92. If your version is older, the system is vulnerable. Use commands like 'google-chrome --version' or check via package manager (e.g., 'apt list --installed | grep chrome' for Debian-based systems).

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your device. This might lead to unauthorized access to your data, installation of malware, or further compromise of your system. Users could lose control over their browser or device, risking privacy and security.

Compliance Impact

This vulnerability could lead to data breaches, exposing personal or sensitive information. For GDPR, it may result in violations of data protection requirements, leading to fines or legal consequences. For HIPAA, unauthorized access to health data could breach compliance, risking penalties and reputational damage.

Mitigation Strategies

Update Google Chrome to version 154.0.8037.92 or later immediately. Disable automatic updates temporarily if needed, but prioritize patching. Avoid untrusted HTML pages until updated. Restart the browser after updating.

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