Fortinet
FortiOS
Operating system for Fortinet FortiGate firewalls and related security appliances.
8.0.0
- Release date
- April 21, 2026
- Security status
- 2 high-severity CVEs tracked in the last 90 days. Current version not affected.
Source
Vendor Release Information
Public release notes are linked for the latest stored release.
Release history
See the latest published releases stored for this product.
| Version | Published | Notes |
|---|---|---|
| 8.0.0 | 2026-04-21 | Release Notes |
Vulnerability tracking
versionPing monitors CVEs for this product. Matching CVEs are listed below. We only display CVEs with a CVSS score of 7.0 or higher that were published within the last 90 days.
Affected status is inferred from published affected version ranges where available. Always verify against the vendor advisory before making production decisions.
| CVE | Severity | Published | Status | Summary |
|---|---|---|---|---|
| CVE-2025-53844 | HIGH (8.8) | 2026-05-12 | Current versionnot affected | A out-of-bounds write vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11 allows attacker to execute unauthorized code or commands via specially crafted packets. Affected versions
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| CVE-2025-53847 | HIGH (8.8) | 2026-04-14 | Current versionnot affected | A missing authentication for critical function vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0.0 through 7.0.17, FortiOS 6.4 all versions, FortiOS 6.2.9 through 6.2.17 allows attacker to execute unauthorized code or commands via specially crafted packets. Affected versions
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