VDB

CVE-2026-4728

CVE-2026-4728 PUBLISHED CVSS 6.5 MEDIUM

Spoofing issue in the Privacy: Anti-Tracking component. This vulnerability affects Firefox < 149.

EPSS 0.01% · 1.9th percentile

Risk Scores

CVSS v3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
EPSS Score
0.01%
1.9th percentile

Affected Products

VendorProductVersions
MozillaThunderbirdunspecified, 149, unspecified
MozillaFirefox ESRunspecified, unspecified
mozillathunderbird0
MozillaFirefox*, 149
mozillafirefox0

Timeline

  • Mar 24, 2026 CVE Published
  • Mar 24, 2026 PoC Published
  • Mar 25, 2026 EPSS Score
  • Mar 25, 2026 Coalition ESS Score
  • Mar 25, 2026 PoC Published
  • Mar 25, 2026 PoC Published
  • Mar 25, 2026 PoC Published
  • Mar 26, 2026 EPSS Score
  • Mar 27, 2026 Coalition ESS Score
  • Apr 13, 2026 CVE Updated
  • May 18, 2026 EPSS Score
  • May 19, 2026 EPSS Score
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