Paper/Archive/CVE-2026-59836

CVE-2026-59836

Fortinet FortiClientEMS — A improper certificate validation vulnerability in Fortinet FortiClientEMS 7.4.3 through 7.4.5, FortiClientEMS 7.4.0 through 7.4.1, Forti…

EPSS 0.2%CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (NVD)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 12.7.127 × 202.5 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

A improper certificate validation vulnerability in Fortinet FortiClientEMS 7.4.3 through 7.4.5, FortiClientEMS 7.4.0 through 7.4.1, FortiClientEMS 7.2 all versions may allow attacker to information disclosure via <insert attack vector here>

Affected

ProductAffectedFixed inSource

FortiClientEMS7.4.3 – 7.4.5–CNA

FortiClientEMS7.4.0 – 7.4.1–CNA

FortiClientEMS7.2.12 – 7.2.14–CNA

FortiClientEMS7.2.0 – 7.2.10–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

fortinet (CNA)6.7CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C

CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

reffortiguard.fortinet.com/psirt/FG-IR-26-147