EOL Risk Score™
Firefox 147
Past End of Life — No Security Patches
45 / 100
Medium Risk
EOL: February 24, 2026 — 81 days past EOL
EOL Recency
25/40
Attack Surface
10/30
Medium
CISA KEV
0/20
No
Extended Support
10/10
None
View full Firefox 147 details →
EOL Risk Score™ by endoflife.ai