CVE-2026-17857

Analyzed Analyzed - Analysis Complete

Inappropriate Implementation in Google Chrome Leads to Cross-Origin Data Leak

Publication date: 2026-07-30

Last updated on: 2026-08-03

Assigner: Chrome

Description

Inappropriate implementation in Network 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)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-07-30

Last Modified

2026-08-03

Generated

2026-08-19

AI Q&A

2026-07-30

EPSS Evaluated

2026-08-18

NVD

CVE-2026-17857

EUVD

EUVD-2026-50606

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 151.0.7922.72 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-346	The product does not properly verify that the source of data or communication is valid.

Attack-Flow Graph

Executive Summary

This vulnerability is an inappropriate implementation in Google Chrome's Network component. It allows a remote attacker to leak cross-origin data by tricking a user into visiting a crafted HTML page. The issue was fixed in Chrome version 151.0.7922.72.

Detection Guidance

This vulnerability is specific to Google Chrome versions prior to 151.0.7922.72. To detect it, check your Chrome version by running chrome://version/ in the browser. If the version is below 151.0.7922.72, the system is vulnerable. Update Chrome to the latest version to mitigate the issue.

Impact Analysis

An attacker could exploit this to access sensitive data from other websites you visit, potentially stealing personal information, login credentials, or other confidential data without your knowledge.

Compliance Impact

This vulnerability could lead to data breaches, violating GDPR (if personal data is exposed) or HIPAA (if protected health information is leaked), potentially resulting in legal penalties and reputational damage.

Mitigation Strategies

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

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