CVE-2026-59841: Fortinet Fortisiem

High severity, CVSS 7.5. EPSS: 0.2% chance of exploitation in the next 30 days.

A improper restriction of communication channel to intended endpoints vulnerability in Fortinet FortiSIEMWindowsAgent 7.4.0 through 7.4.1 may allow attacker to escalation of privilege via <insert attack vector here>

Affected products

• Fortinet Fortisiem: from 7.4.0, before 7.4.2 (fixed in 7.4.2)

Published 2026-07-14. Last modified 2026-07-15.