CVE-2026-79184

Analyzed Analyzed - Analysis Complete

Missing Authorization in Google Chrome

Publication date: 2026-08-25

Last updated on: 2026-08-28

Assigner: Chrome

Description

Missing authorization in Preload in Google Chrome prior to 152.0.7977.65 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

EPSS Scores

Probability:
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Meta Information

Published

2026-08-25

Last Modified

2026-08-28

Generated

2026-09-15

AI Q&A

2026-08-26

EPSS Evaluated

2026-09-14

NVD

CVE-2026-79184

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 152.0.7977.65 (exc)

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 in Google Chrome's Preload feature. A remote attacker who already compromised the renderer process could bypass web origin policy by tricking a user into visiting a crafted HTML page.

Detection Guidance

This vulnerability involves missing authorization in Google Chrome's Preload feature. Detection requires checking Chrome version and examining renderer process behavior. Verify Chrome version is 152.0.7977.65 or later using chrome://version/. Monitor renderer processes for unusual HTML page handling or origin policy bypass attempts.

Impact Analysis

If exploited, this could allow an attacker to access or manipulate data on websites you visit, even if those sites are protected by same-origin policies. This could lead to theft of sensitive information like passwords or personal data.

Compliance Impact

This vulnerability allows a remote attacker to bypass web origin policy, which could lead to unauthorized access to sensitive data. This may impact compliance with GDPR (data protection) and HIPAA (health information privacy) by increasing the risk of data breaches or unauthorized data exposure.

Mitigation Strategies

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

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