CVE-2026-79002

Received Received - Intake

Incorrect Authorization in SiteIsolation in Google Chrome

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 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-2026-79002

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 bypass site isolation by using a specially crafted HTML page.

Detection Guidance

Detection of this vulnerability requires checking the installed version of Google Chrome. If your version is prior to 152.0.7977.65, 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 flaw could allow an attacker to access data from other sites or perform actions on behalf of the user without proper authorization, potentially leading to data theft or unauthorized actions.

Mitigation Strategies

Update Google Chrome to version 152.0.7977.65 or later immediately. Disable automatic updates temporarily if needed, but prioritize patching. Avoid untrusted HTML pages until updated.

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