CVE-2026-17957

Analyzed Analyzed - Analysis Complete

Inappropriate CORS Implementation in Google Chrome

Publication date: 2026-07-30

Last updated on: 2026-08-03

Assigner: Chrome

Description

Inappropriate implementation in CORS in Google Chrome prior to 151.0.7922.72 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)

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-2026-17957

EUVD

EUVD-2026-50883

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 due to an inappropriate implementation in CORS (Cross-Origin Resource Sharing) in Google Chrome versions before 151.0.7922.72. A remote attacker who had already compromised the renderer process could exploit this to leak cross-origin data by using a specially crafted HTML page.

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 your version is below 151.0.7922.72, the system is vulnerable. Update Chrome to the latest version to mitigate the risk.

Impact Analysis

If you are using an affected version of Google Chrome, an attacker who gains control of the renderer process could potentially access sensitive data from other websites you are visiting, leading to privacy breaches or data leaks.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, which may violate GDPR's data protection principles or HIPAA's requirements for safeguarding health information. Organizations must ensure their systems are patched to avoid compliance violations.

Mitigation Strategies

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

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