CVE-2026-17921

Analyzed Analyzed - Analysis Complete

Navigation Restriction Bypass in Google Chrome

Publication date: 2026-07-30

Last updated on: 2026-08-03

Assigner: Chrome

Description

Insufficient validation of untrusted input in Navigation in Google Chrome prior to 151.0.7922.72 allowed a remote attacker who had compromised the renderer process to bypass navigation restrictions 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-2026-17921

EUVD

EUVD-2026-50670

Affected Vendors & Products

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

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-20	The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Attack-Flow Graph

Executive Summary

This vulnerability involves insufficient validation of untrusted input in Google Chrome's Navigation feature. A remote attacker who compromised the renderer process could bypass navigation restrictions by using a crafted HTML page.

Detection Guidance

This vulnerability involves insufficient validation in Google Chrome's Navigation component. Detection primarily requires checking the installed Chrome version. If your version is prior to 151.0.7922.72, the system is vulnerable. Update Chrome to version 151.0.7922.72 or later to mitigate the issue.

Impact Analysis

This vulnerability could allow an attacker to bypass navigation restrictions, potentially leading to unauthorized access or actions within the browser. However, it requires the attacker to have already compromised the renderer process.

Compliance Impact

This vulnerability involves insufficient validation of untrusted input in Google Chrome's Navigation feature, allowing a remote attacker to bypass navigation restrictions via a crafted HTML page. It does not directly impact compliance with GDPR, HIPAA, or similar standards, as it is a browser-level issue rather than a data protection or privacy violation.

Mitigation Strategies

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

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