CVE-2025-14329
HIGHFirefox < 146, Thunderbird < 140.6 - Privilege Escalation
Title source: llmDescription
Privilege escalation in the Netmonitor component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.
References (5)
Core 5
Core References
Issue Tracking, Permissions Required
https://bugzilla.mozilla.org/show_bug.cgi?id=1997018
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-92/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-94/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-95/
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-96/
Scores
CVSS v3
8.8
EPSS
0.0006
EPSS Percentile
17.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
Status
published
Products (8)
mozilla/firefox
< 140.6.0
mozilla/firefox
< 146.0
Mozilla/Firefox
140.6 - 140.*
Mozilla/Firefox
146
mozilla/thunderbird
< 140.6.0
mozilla/thunderbird
< 146.0
Mozilla/Thunderbird
140.6 - 140.*
Mozilla/Thunderbird
146
Published
Dec 09, 2025
Tracked Since
Feb 18, 2026