CVE-2026-84328
Received Received - Intake

Missing Authorization in Google Chrome FileSystem

Publication date: 2026-09-02

Last updated on: 2026-09-02

Assigner: Chrome

Description
Missing authorization in FileSystem in Google Chrome prior to 152.0.7977.75 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)

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Meta Information

Published
2026-09-02
Last Modified
2026-09-02
Generated
2026-09-02
AI Q&A
2026-09-02
EPSS Evaluated
N/A
NVD
CVE-2026-84328
EUVD
EUVD-2026-69739

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
google chrome to 152.0.7977.75 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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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.

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Executive Summary

This vulnerability is a missing authorization issue in Google Chrome's FileSystem component. It allows a remote attacker who has already compromised the renderer process to bypass web origin policy by using a specially crafted HTML page.

Impact Analysis

If exploited, this vulnerability could allow an attacker to access or manipulate files in ways that should be restricted by web origin policies. This might lead to unauthorized data access or other malicious activities within the browser environment.

Mitigation Strategies

Update Google Chrome to version 152.0.7977.75 or later to address the missing authorization issue in the FileSystem component.

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