CVE-2026-16406
Received Received - Intake

Networking Component Mitigation Bypass in Firefox

Publication date: 2026-07-21

Last updated on: 2026-07-21

Assigner: Mozilla Corporation

Description
Mitigation bypass in the Networking component. This vulnerability was fixed in Firefox 153.

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Meta Information

Published
2026-07-21
Last Modified
2026-07-21
Generated
2026-07-21
AI Q&A
2026-07-21
EPSS Evaluated
N/A
NVD
CVE-2026-16406
EUVD
EUVD-2026-46244

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
mozilla firefox 153

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This is a mitigation bypass vulnerability in Firefox's Networking component. It allows attackers to bypass security measures that were meant to prevent certain types of attacks. The issue was resolved in Firefox version 153.

Impact Analysis

If exploited, this vulnerability could allow unauthorized access to network resources or sensitive data. Attackers might bypass firewalls or other security controls, potentially leading to data breaches or further network compromise.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR or HIPAA if it results in unauthorized data access or breaches. Organizations using affected Firefox versions may face penalties for failing to protect sensitive data adequately.

Mitigation Strategies

Update Firefox to version 153 or later to address the mitigation bypass in the Networking component.

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