Privilege Escalation in Firefox Netmonitor Component
CVE-2025-14328

Currently unrated

Key Information:

Vendor: Mozilla
Status: Firefox; Firefox Esr
Vendor: CVE Published:; 9 December 2025

What is CVE-2025-14328?

A vulnerability in the Netmonitor component of Firefox allows users with limited permissions to escalate their privileges, potentially leading to unauthorized access to sensitive functionalities. This issue affects several versions of the browser, specifically those below version 146 and the ESR version below 140.6. It is essential for users to keep their browsers updated to mitigate the risks associated with this vulnerability.