CVE-2025-14329
Unknown Unknown - Not Provided
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Publication date: 2025-12-09

Last updated on: 2026-04-13

Assigner: Mozilla Corporation

Description
Privilege escalation in the Netmonitor component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.
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Meta Information
Published
2025-12-09
Last Modified
2026-04-13
Generated
2026-06-16
AI Q&A
2025-12-09
EPSS Evaluated
2026-06-15
NVD
CVE-2025-14329
Affected Vendors & Products
Showing 3 associated CPEs
Vendor Product Version / Range
mozilla firefox *
mozilla firefox_esr *
mozilla thunderbird to 140.6.0 (inc)
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 vulnerability is a privilege escalation issue in the Netmonitor component of Firefox versions prior to 146 and Firefox ESR versions prior to 140.6. It allows an attacker to gain higher privileges than intended within the affected software.

Impact Analysis

The vulnerability can lead to an attacker gaining elevated privileges, which may result in full control over the affected Firefox browser, potentially allowing them to access, modify, or delete sensitive information, and disrupt system integrity and availability.

Mitigation Strategies

Update Firefox to version 146 or later, or Firefox ESR to version 140.6 or later to address the privilege escalation vulnerability in the Netmonitor component.

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