Description
Information disclosure, mitigation bypass in the Settings UI component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
Scores
CVSS v3
7.5
EPSS
0.0006
EPSS Percentile
17.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-200
CWE-693
Status
published
Products (4)
mozilla/firefox
< 148.0
Mozilla/Firefox
148
mozilla/thunderbird
< 148.0
Mozilla/Thunderbird
148
Published
Feb 24, 2026
Tracked Since
Feb 24, 2026