FortiOS (FortiGate) end of life: end of support by version
Fortinet · Firewalls & Security
For FortiOS (FortiGate) by Fortinet, patchletter knows 8 support cycles. 4 of them have already ended and receive no more security updates. The next support window closes on 30/09/2026, that is in 34 days. The current version of FortiOS (FortiGate) is 8.0. The cycles come from the open endoflife.date project, last reconciled on 26/08/2026.
When does support end for which FortiOS (FortiGate) version?
A cycle is a maintained version line. Where a date is given, support ends on that day — after it the vendor ships no more security updates for that line.
| Cycle | Latest version | End of support | Status |
|---|---|---|---|
| 8.0 | – | 1516 days left | EOL 21 Oct 30 |
| 7.6 | – | 1247 days left | EOL 25 Jan 30 |
| 7.4 | – | 807 days left | EOL 11 Nov 28 |
| 7.2 | – | 34 days left | EOL in 34 days |
| 7.0 | – | 331 days ago | End of Life |
| 6.4 | – | 696 days ago | End of Life |
| 6.2 | – | 1064 days ago | End of Life |
| 6.0 | – | 1428 days ago | End of Life |
Which FortiOS (FortiGate) versions no longer receive security updates?
4 of 8 cycles have ended. If you run one of those lines, the vendor ships you no more patches — not even for critical flaws.
- FortiOS (FortiGate) 7.0
- FortiOS (FortiGate) 6.4
- FortiOS (FortiGate) 6.2
- FortiOS (FortiGate) 6.0
Where does the EOL data for FortiOS (FortiGate) come from?
From the open endoflife.date project, which collects vendors' official support commitments. patchletter reconciles the cycles daily; the FortiOS (FortiGate) data is as of 26/08/2026. In case of doubt the vendor's own lifecycle page applies — patchletter deliberately stores no vendor full texts.
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