CVE-2026-12320

Information disclosure in the Password Manager component

Medium · published June 16, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
7.1
In the wild
Unconfirmed
What it is

Information disclosure in the Password Manager component. This vulnerability was fixed in Firefox 152 and Thunderbird 152.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00179 · 7.1th percentile
Published
2026-06-16T11:52Z
EPSS history
Timeline
  • 16 JUN 11:52Z
    Information disclosure in the Password Manager component
    cvelistv5