CVE-2026-17859
Received Received - Intake

Inappropriate Favicons Implementation in Google Chrome

Publication date: 2026-07-30

Last updated on: 2026-07-30

Assigner: Chrome

Description
Inappropriate implementation in Favicons in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

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Meta Information

Published
2026-07-30
Last Modified
2026-07-30
Generated
2026-07-30
AI Q&A
2026-07-30
EPSS Evaluated
N/A
NVD
CVE-2026-17859
EUVD
EUVD-2026-50608

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
google chrome to 151.0.7922.72 (exc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-1300 The device does not contain sufficient protection mechanisms to prevent physical side channels from exposing sensitive information due to patterns in physically observable phenomena such as variations in power consumption, electromagnetic emissions (EME), or acoustic emissions.

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Executive Summary

This vulnerability is in Google Chrome's Favicons feature. It involves an inappropriate implementation that allowed a remote attacker to access cross-origin data through a specially crafted HTML page. The issue was present in Chrome versions before 151.0.7922.72.

Impact Analysis

If exploited, this vulnerability could allow an attacker to steal sensitive data from other websites you visit, even if those sites are from different domains. This could include personal information, login credentials, or other confidential data.

Compliance Impact

This vulnerability could lead to unauthorized access to personal data, which may violate GDPR's data protection requirements. For HIPAA, it could risk exposing protected health information, potentially leading to compliance breaches.

Mitigation Strategies

Update Google Chrome to version 151.0.7922.72 or later to address the vulnerability.

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