CVE-2026-85046

Analyzed Analyzed - Analysis Complete

Type Confusion in Google Chrome

Publication date: 2026-09-03

Last updated on: 2026-09-21

Assigner: Chrome

Description

Type confusion in V8 in Google Chrome prior to 152.0.7977.82 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-03

Last Modified

2026-09-21

Generated

2026-09-24

AI Q&A

2026-09-03

EPSS Evaluated

2026-09-22

NVD

CVE-2026-85046

EUVD

EUVD-2026-70702

Affected Vendors & Products

Vendor	Product	Version / Range
google	v8	to 15.3.48 (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

This vulnerability is specific to Google Chrome versions prior to 152.0.7977.82. To detect it, check your Chrome version by running chrome --version or chrome://version in the browser. If your version is below 152.0.7977.82, the system is vulnerable. Update Chrome immediately to the latest version to mitigate the risk.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your device. This could lead to unauthorized access to your data, installation of malware, or further compromise of your system. Users are at risk simply by visiting a malicious webpage.

Compliance Impact

This vulnerability allows remote code execution inside the sandbox via a crafted HTML page, which could lead to unauthorized data access or manipulation. Such risks may impact compliance with GDPR (data protection) and HIPAA (health data security) by potentially exposing sensitive information or violating integrity requirements.

Mitigation Strategies

Update Google Chrome to version 152.0.7977.82 or later to address the type confusion vulnerability in V8.

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