CVE-2026-87556

Modified Modified - Updated After Analysis

Missing Authorization in Google Chrome

Publication date: 2026-09-09

Last updated on: 2026-09-10

Assigner: Chrome

Description

Missing authorization in Browser in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-09

Last Modified

2026-09-10

Generated

2026-09-29

AI Q&A

2026-09-09

EPSS Evaluated

2026-09-27

NVD

CVE-2026-87556

EUVD

EUVD-2026-74356

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 153.0.8010.36 (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 a missing authorization check in Google Chrome's Browser component. It allows a remote attacker to bypass system access restrictions by tricking a user into visiting a specially crafted HTML page. The issue was present in Chrome versions prior to 153.0.8010.36.

Detection Guidance

This vulnerability involves missing authorization in Google Chrome prior to version 153.0.8010.36. Detection requires checking installed Chrome versions and monitoring for unusual HTML page interactions. No specific commands are provided in the context.

Impact Analysis

This vulnerability could allow an attacker to gain unauthorized access to restricted system resources or perform actions beyond normal user permissions. A user visiting a malicious website might unknowingly expose their system to such attacks.

Compliance Impact

The vulnerability allows unauthorized access via crafted HTML pages, which could lead to data exposure or manipulation. This may violate GDPR's data protection requirements or HIPAA's safeguards for protected health information if exploited.

Mitigation Strategies

Update Google Chrome to version 153.0.8010.36 or later to address the missing authorization vulnerability.

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