CVE-2026-87429

Modified Modified - Updated After Analysis

Missing Authorization in Google Chrome ServiceWorker

Publication date: 2026-09-09

Last updated on: 2026-09-10

Assigner: Chrome

Description

Missing authorization in ServiceWorker in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Low)

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-09-09

Last Modified

2026-09-10

Generated

2026-09-29

AI Q&A

2026-09-10

EPSS Evaluated

2026-09-27

NVD

CVE-2026-87429

EUVD

EUVD-2026-74433

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

Detection Guidance

This vulnerability involves missing authorization in Google Chrome's ServiceWorker. Detection requires checking Chrome version and examining renderer process behavior. No specific commands are provided in the context to directly detect this issue.

Impact Analysis

An attacker could exploit this to bypass security restrictions if they already compromised the renderer process, potentially gaining unauthorized access to system resources or sensitive data.

Compliance Impact

This vulnerability allows a remote attacker to bypass system access restrictions via a crafted HTML page, which could lead to unauthorized data access or modification. This may impact compliance with GDPR by potentially exposing personal data without authorization and HIPAA by compromising protected health information if exploited in healthcare environments.

Mitigation Strategies

Update Google Chrome to version 153.0.8010.36 or later to address the missing authorization issue in ServiceWorker.

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