CVE-2026-87574
Analyzed Analyzed - Analysis Complete

Information Leak in Google Chrome ServiceWorker

Publication date: 2026-09-09

Last updated on: 2026-09-09

Assigner: Chrome

Description
Information leak in ServiceWorker in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

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Meta Information

Published
2026-09-09
Last Modified
2026-09-09
Generated
2026-09-29
AI Q&A
2026-09-09
EPSS Evaluated
2026-09-27
NVD
CVE-2026-87574
EUVD
EUVD-2026-74378

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
google chrome to 153.0.8010.36 (exc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-200 The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

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Executive Summary

This vulnerability is an information leak in Google Chrome's ServiceWorker feature. It allows a remote attacker to access cross-origin data by tricking a user into visiting a specially crafted HTML page. The issue exists in Chrome versions prior to 153.0.8010.36.

Detection Guidance

This vulnerability is specific to Google Chrome versions prior to 153.0.8010.36. To detect it, check your Chrome version by running chrome://version/ in the browser. If your version is below 153.0.8010.36, the system is vulnerable.

Impact Analysis

An attacker could exploit this to steal sensitive data from other websites you visit while using Chrome. This might include personal information, login credentials, or other confidential data accessed during your browsing session.

Compliance Impact

This vulnerability could potentially lead to unauthorized access to cross-origin data, which may violate data protection principles under GDPR and HIPAA. However, specific compliance impacts depend on how the vulnerability is exploited in a given environment.

Mitigation Strategies

Update Google Chrome to version 153.0.8010.36 or later immediately. This can be done through the browser's built-in update mechanism or by downloading the latest version from Google's official site.

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