What is CVE-2026-84386?

CVE-2026-84386 is a medium-severity vulnerability in Fortinet Forticlientwindows, classified under CWE-283. CVSS score: 5.1/10. Published 2026-09-08.

How severe is CVE-2026-84386?

Medium severity. CVSS v3 base score is 5.1 out of 10.

Vulnerability in Fortinet Forticlientwindows

CVE-2026-84386

A unverified ownership vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.7, FortiClientWindows 7.2 all versions may allow attacker to improper access control via <insert attack vector here>

CVSS v3 metric

CVSS v3 base score 5.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H.

Affected products

Fortinet Forticlientwindows

Weakness classification (CWE)

CWE-283

References

psirt@fortinet.com

Frequently asked questions

What is CVE-2026-84386?: CVE-2026-84386 is a medium-severity vulnerability in Fortinet Forticlientwindows, classified under CWE-283. CVSS score: 5.1/10. Published 2026-09-08.
How severe is CVE-2026-84386?: Medium severity. CVSS v3 base score is 5.1 out of 10.