Missing Authorization in Google Chrome PDF Renderer

Publication date: 2026-08-25

Last updated on: 2026-08-25

Assigner: Chrome

Description

Missing authorization in InterestGroups in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to bypass system access restrictions via a crafted PDF file. (Chromium security severity: Low)

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-2026-79021

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	152.0.7977.65

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-862	The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

Executive Summary

This vulnerability involves missing authorization checks in Google Chrome's InterestGroups feature. A remote attacker who already compromised the renderer process could exploit a crafted PDF file to bypass system access restrictions.

Impact Analysis

If you use Google Chrome, an attacker could potentially gain unauthorized access to your system through a malicious PDF file, even if they only compromised the browser's renderer process. This could lead to data theft or further system compromise.

Mitigation Strategies

Update Google Chrome to version 152.0.7977.65 or later to address the missing authorization issue in InterestGroups.

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