CVE-2026-84357
Received Received - Intake

Improper Input Validation in Google Chrome Omnibox

Publication date: 2026-09-02

Last updated on: 2026-09-02

Assigner: Chrome

Description
Improper input validation in Omnibox in Google Chrome prior to 152.0.7977.75 allowed a remote attacker leveraging social engineering to bypass web origin policy via crafted network traffic. (Chromium security severity: High)

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Meta Information

Published
2026-09-02
Last Modified
2026-09-02
Generated
2026-09-02
AI Q&A
2026-09-02
EPSS Evaluated
N/A
NVD
CVE-2026-84357
EUVD
EUVD-2026-69732

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
google chrome 152.0.7977.75

Helpful Resources

Exploitability

CWE
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KEV
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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.

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Executive Summary

This vulnerability involves improper input validation in Google Chrome's Omnibox feature. A remote attacker could exploit this by using crafted network traffic to bypass the web origin policy through social engineering tactics.

Impact Analysis

This vulnerability could allow an attacker to trick users into visiting malicious sites while appearing legitimate due to the bypassed origin policy. This may lead to phishing attacks, data theft, or unauthorized actions on behalf of the user.

Compliance Impact

The vulnerability involves improper input validation in Google Chrome's Omnibox, enabling bypass of web origin policy through crafted network traffic. This could potentially allow unauthorized data access or manipulation, which may impact compliance with GDPR (data protection) or HIPAA (health data privacy) if exploited in systems handling regulated data.

Mitigation Strategies

Update Google Chrome to version 152.0.7977.75 or later to address the improper input validation in Omnibox.

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