Privilege Escalation in Netmonitor (Firefox <146 / ESR<140.6)
CVE-2025-14328 Published on December 9, 2025
Privilege escalation in the Netmonitor component
Privilege escalation in the Netmonitor component. This vulnerability affects Firefox < 146, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.
Vulnerability Analysis
CVE-2025-14328 is exploitable with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Products Associated with CVE-2025-14328
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Affected Versions
Mozilla Firefox:- Version unspecified and below 146 is affected.
- Version unspecified and below 140.6 is affected.
- Version unspecified and below 146 is affected.
- Version unspecified and below 140.6 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.