CVE-2026-4728

Spoofing issue in the Privacy: Anti-Tracking component

Medium · published March 24, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
27.3
In the wild
Unconfirmed
What it is

Spoofing issue in the Privacy: Anti-Tracking component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00349 · 27.3th percentile
Published
2026-03-24T12:30Z
EPSS history
Timeline
  • 24 MAR 12:30Z
    Spoofing issue in the Privacy: Anti-Tracking component
    cvelistv5