CVE-2026-79191

Received Received - Intake

Incorrect Authorization in Google Chrome SiteIsolation

Publication date: 2026-08-25

Last updated on: 2026-08-25

Assigner: Chrome

Description

Incorrect authorization in SiteIsolation in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
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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-2026-79191

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 SiteIsolation in Google Chrome before version 152.0.7977.65. A remote attacker who already compromised the renderer process could use social engineering to bypass site isolation by tricking a user into visiting a crafted HTML page.

Impact Analysis

If exploited, this vulnerability could allow an attacker to bypass site isolation protections, potentially accessing sensitive data from other sites you are logged into. This could lead to unauthorized access to personal or confidential information.

Compliance Impact

This vulnerability could lead to unauthorized data access, which may violate GDPR (data protection) or HIPAA (health information privacy) requirements. Organizations using affected Chrome versions may face compliance risks if user data is exposed.

Mitigation Strategies

Update Google Chrome to version 152.0.7977.65 or later to address the vulnerability.

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