CVE-2026-4728

MEDIUM

Spoofing issue in the Privacy: Anti-Tracking component

Title source: cna
STIX 2.1

Description

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

References (3)

Scores

CVSS v3 6.5
EPSS 0.0001
EPSS Percentile 1.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-290
Status published
Products (6)
mozilla/firefox < 149.0
Mozilla/Firefox 149
Mozilla/Firefox unspecified - 149
mozilla/thunderbird < 149.0
Mozilla/Thunderbird 149
Mozilla/Thunderbird unspecified - 149
Published Mar 24, 2026
Tracked Since Mar 24, 2026