FortiOS: versions, end of support and vulnerabilities
Release branches of FortiOS with the latest version, the end of support and the vulnerabilities that are still open in the latest version.
The NVD lists 279 vulnerabilities for FortiOS, 21 of them actively exploited. Last checked on 03/11/2026.
Release branches
FortiOS 8.0
Latest version: unknown
End of support: 21/10/2030
FortiOS 7.6
Latest version: unknown
End of support: 25/01/2030
FortiOS 7.4
Latest version: unknown
End of support: 11/11/2028
FortiOS 7.2
Latest version: unknown
End of support: 30/09/2026
FortiOS 7.0
Latest version: unknown
End of support: 30/09/2025
FortiOS 6.4
Latest version: unknown
End of support: 30/09/2024
FortiOS 6.2
Latest version: unknown
End of support: 28/09/2023
FortiOS 6.0
Latest version: unknown
End of support: 29/09/2022
Most recent vulnerabilities of FortiOS
- CVE-2026-71408, CVSS 3.1: 5.3, 12/08/2026
- CVE-2026-71407, CVSS 3.1: 8.1, 12/08/2026
- CVE-2026-59840, CVSS 3.1: 4.3, 14/07/2026
- CVE-2026-59839, CVSS 3.1: 5.5, 14/07/2026
- CVE-2026-59837, CVSS 3.1: 6.6, 14/07/2026
- CVE-2026-23573, CVSS 3.1: 6.1, 14/07/2026
- CVE-2025-62826, CVSS 3.1: 4.3, 14/07/2026
- CVE-2025-62675, CVSS 3.1: 4.3, 14/07/2026
- CVE-2025-43892, CVSS 3.1: 4.3, 14/07/2026
- CVE-2025-67862, CVSS 3.1: 6.7, 09/06/2026
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