CVE-2026-84335

Analyzed Analyzed - Analysis Complete

Incorrect Authorization in TabStrip in Google Chrome

Publication date: 2026-09-02

Last updated on: 2026-09-03

Assigner: Chrome

Description

Incorrect authorization in TabStrip in Google Chrome prior to 152.0.7977.75 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-02

Last Modified

2026-09-03

Generated

2026-09-22

AI Q&A

2026-09-02

EPSS Evaluated

2026-09-20

NVD

CVE-2026-84335

EUVD

EUVD-2026-69748

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 152.0.7977.75 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-863	The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

Attack-Flow Graph

Executive Summary

This vulnerability involves incorrect authorization in the TabStrip component of Google Chrome before version 152.0.7977.75. A remote attacker who already compromised the renderer process could potentially execute arbitrary code outside the sandbox by tricking a user into visiting a specially crafted HTML page.

Detection Guidance

Detection requires checking the Chrome version installed. If your version is below 152.0.7977.75, 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).

No direct network detection commands are provided as this is a client-side vulnerability requiring renderer compromise.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your device, bypassing Chrome's security sandbox. This could lead to unauthorized access to your system, data theft, or installation of malware.

Compliance Impact

This vulnerability involves incorrect authorization in TabStrip in Google Chrome, potentially allowing arbitrary code execution outside the sandbox via a crafted HTML page. This could lead to unauthorized data access or modification, which may impact compliance with GDPR (data protection) and HIPAA (healthcare data privacy) by exposing sensitive user data.

Mitigation Strategies

Update Google Chrome to version 152.0.7977.75 or later to address the vulnerability.

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