FortiOS Release Notes

FortiOS 8.0.2 fixes one Intrusion Prevention issue, carries forward 26 known issues, documents upgrade procedures and chassis health-check requirements, and reiterates feature limitations for FortiGate models with 2 GB RAM.

FortiOS 8.0.1 adds broad enhancements across GUI, HA, hyperscale, LAN edge, networking, SD-WAN, security, VPN, and wireless; changes several upgrade-sensitive defaults and CLI behaviors; and resolves numerous defects. The supplied excerpt does not include a release date, build number, known-issues list, upgrade-path guidance, or stated CVEs.

FortiOS 8.0.0 introduces broad enhancements across cloud, GUI, HA, hyperscale, LAN edge, logging, networking, OT, policy, SD-WAN, Security Fabric, security profiles, system management, authentication, VPN, wireless, and ZTNA. The supplied release-note excerpts also document upgrade-sensitive default and behavior changes; no vulnerability-fix, resolved-issue, known-issue, model-support, or formal upgrade-path pages were supplied.

FortiOS 7.6.7 adds NP7, VPN, LAN edge, identity, WebSocket inspection, system-management, and ZTNA enhancements; changes several defaults and CLI behaviors; fixes broad stability, networking, security, HA, VPN, GUI, and platform issues; and addresses CVE-2026-23573 and CVE-2026-59839.

FortiOS 7.6.6 fixes CVE-2026-24858 and several NP7 QTM defects, changes NP7 traffic-shaping behavior, retains numerous platform and feature-specific known issues, and includes important upgrade guidance for general deployments and FortiGate 6000/7000 chassis.

FortiOS 7.6.5 adds 36 documented features and enhancements across GUI, LAN Edge, logging, networking, policy, SD-WAN, security profiles, system, authentication, VPN, and WiFi, plus seven behavior changes and two default-value changes that should be reviewed before deployment or upgrade.

FortiOS 7.6.0 build 3401 release information; the supplied content contains only the introduction and supported-model matrix, with no feature, fix, vulnerability, removal, or issue lists.

FortiOS 7.4.13 is primarily a maintenance and security release. It changes NGFW policy-mode behavior when IPS is unavailable, expands pre-registration configuration access, revises NP7 traffic shaping, fixes CVE-2025-54821 and numerous networking, HA, VPN, proxy, system, and upgrade defects, while retaining several platform-specific known issues.

FortiOS 7.4.12 adds registration and firmware-upgrade workflow improvements, changes NGFW fail-closed and NP7 shaping behavior, fixes security and reliability defects, and retains several platform-specific known issues. Upgrade planning should use Fortinet's Upgrade Path Tool, with additional health checks for FortiGate 6000/7000 systems.

FortiOS 7.4.11 fixes CVE-2026-24858 and several NP7 QTM defects, changes how NP7 traffic shaping is selected, includes AV Engine 7.00049, and documents upgrade procedures, removed capabilities, and known issues.

FortiOS 7.4.10 adds registration and LAN-edge deployment enhancements, changes several security-sensitive defaults, revises NP7 traffic shaping, resolves broad networking and security defects, and retains important platform, upgrade, and VM limitations.

FortiOS 7.4.8 build 2795 release information and supported-platform notes. The supplied content contains supported models and open issues, but no new-feature, security-fix, or resolved-issue sections.

FortiOS 7.2.14 fixes 11 documented bugs, changes NP7 traffic-shaping behavior after QTM reliability fixes, includes AV Engine 6.00303, and retains numerous known issues. Upgrade paths are model- and source-version-specific and should be verified with Fortinet's Upgrade Path Tool.

FortiOS 7.2.13 fixes CVE-2026-24858 and several NP7 QTM defects, changes NP7 traffic-shaping behavior, includes AV Engine 6.00303, and carries forward numerous known issues. Administrators should validate model-specific upgrade paths and perform chassis health checks for FortiGate 6000/7000 upgrades.

FortiOS 7.2.12 adds expanded European UNII-3 Wi-Fi channel availability, changes NP7 traffic-shaping behavior, includes AV Engine 6.00303, resolves networking, HA, VPN, proxy, platform, and security defects, and documents upgrade considerations and remaining known issues.

FortiOS 7.2.11 strengthens administrator password storage, extends certificate-probe handling to flow policies, reduces IPS update CPU usage, fixes numerous networking, HA, VPN, proxy, platform, GUI, and security defects, and introduces behavior changes for traffic redirection, BIOS security levels, FortiCare registration, and NP7 traffic shaping.

FortiOS 7.0.19 fixes CVE-2026-24858, includes AV Engine 6.00302, and carries forward numerous known issues. No new known issues or special notices are listed.

FortiOS 7.0.18 fixes HA, IPsec VPN, proxy, SSL VPN, authentication, and security vulnerabilities. It introduces no newly identified known issues, but retains numerous existing issues. Upgrade paths are model- and source-version-specific and must be checked with Fortinet's Upgrade Path Tool. The built-in AV Engine is version 6.00302.

FortiOS 7.0.17 is a maintenance and security release with four non-CVE bug fixes, fixes for six stated CVEs, AV Engine 6.00302, and numerous carried-forward known issues. Fortinet directs administrators to use the model-specific Upgrade Path Tool before upgrading.