CVE-2026-84331
Received Received - Intake

Incorrect Authorization in Google Chrome Prior to 152.0.7977.75

Vulnerability report for CVE-2026-84331, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-09-02

Last updated on: 2026-09-02

Assigner: Chrome

Description

Incorrect authorization in Actor 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: Low)

CVSS Scores

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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
EUVD

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-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

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Executive Summary

This vulnerability involves incorrect authorization in Google Chrome before version 152.0.7977.75. A remote attacker who already compromised the renderer process could bypass web origin policy by tricking a user into visiting a specially crafted HTML page.

Impact Analysis

If exploited, this flaw could allow an attacker to access data or perform actions on websites as if they were the legitimate user. This might lead to theft of sensitive information or unauthorized actions on behalf of the user.

Mitigation Strategies

Update Google Chrome to version 152.0.7977.75 or later to address the incorrect authorization vulnerability.

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