CVE-2026-79186

Received Received - Intake

Incorrect Authorization Bypass in Google Chrome

Publication date: 2026-08-25

Last updated on: 2026-08-25

Assigner: Chrome

Description

Incorrect authorization in Network in Google Chrome prior to 152.0.7977.65 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

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-08-25

Last Modified

2026-08-25

Generated

2026-08-26

AI Q&A

2026-08-26

EPSS Evaluated

N/A

NVD

CVE-2026-79186

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 152.0.7977.65 (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 Google Chrome's Network component. It allows a remote attacker who has already compromised the renderer process to bypass site isolation through a specially crafted HTML page. Site isolation is a security feature that separates content from different websites to prevent data leaks.

Impact Analysis

If exploited, this vulnerability could allow an attacker to access data from other websites you are visiting, potentially stealing sensitive information like passwords or personal details. It undermines the security of site isolation, increasing the risk of cross-site data leaks.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, violating GDPR's data protection principles and HIPAA's requirements for safeguarding health information. Organizations may face compliance breaches if user data is exposed due to this flaw.

Mitigation Strategies

Update Google Chrome to version 152.0.7977.65 or later to address the incorrect authorization issue in the renderer process.

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