Cyber Resilience

CVE-2025-14328

High

Published: 09 December 2025

Published
09 December 2025
Modified
13 April 2026
KEV Added
Patch
CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0006 18.0th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-14328 is a high-severity an unspecified weakness vulnerability in Mozilla Firefox. Its CVSS base score is 8.8 (High).

Operationally, ranked at the 18.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Privilege escalation in the Netmonitor component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

mozilla
firefox
≤ 140.6.0 · ≤ 146.0
mozilla
thunderbird
≤ 140.6.0 · ≤ 146.0

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References