CVE-2026-79252

Received Received - Intake

Information Leak in Google Chrome ServiceWorker

Publication date: 2026-08-25

Last updated on: 2026-08-25

Assigner: Chrome

Description

Information leak in ServiceWorker in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-08-25

Last Modified

2026-08-25

Generated

2026-08-26

AI Q&A

2026-08-26

EPSS Evaluated

N/A

NVD

CVE-2026-79252

Affected Vendors & Products

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

Helpful Resources

Exploitability

CWE

KEV

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

Attack-Flow Graph

Executive Summary

This vulnerability is an information leak in ServiceWorker in Google Chrome versions before 152.0.7977.65. A remote attacker could exploit a crafted HTML page to access cross-origin data, meaning they could retrieve information from other websites or domains that they should not have access to.

Impact Analysis

If you use a vulnerable version of Chrome, an attacker could potentially steal sensitive data from other websites you visit while using the browser. This includes personal information, login credentials, or other confidential data that is normally protected by same-origin policies.

Compliance Impact

This vulnerability could lead to unauthorized access to personal data, which may violate GDPR's data protection principles or HIPAA's requirements for safeguarding health information. Organizations using vulnerable Chrome versions may face compliance risks and potential legal consequences.

Mitigation Strategies

Update Google Chrome to version 152.0.7977.65 or later to address the vulnerability.

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