CVE-2026-84391: Fortinet Fortianalyzer

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

A use of uninitialized variable vulnerability in Fortinet FortiAnalyzer 7.6.3 through 7.6.6 may allow attacker to denial of service via <insert attack vector here>

Affected products

• Fortinet Fortianalyzer: from 7.6.3, up to and including 7.6.6

Published 2026-09-08. Last modified 2026-09-08.