CVE-2026-121529

CriticalCVSS 9.6/10Last modified Nov 13, 2026

Description

A origin validation error vulnerability in Fortinet FortiClientMac 7.4.0 through 7.4.7, FortiClientWindows 7.4.0 through 7.4.7, FortiClientWindows 7.2.0 through 7.2.14, FortiClientWindowsPAM 7.4.7, FortiClientWindowsPAM 7.2.14 may allow an unauthorized remote attacker to execute unauthorized code or commands. Successful exploitation requires interaction with the victim.

Metrics

CVSS 3.1 9.6/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-346

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
Fortinet	FortiClientMac	>= 7.4.0, <= 7.4.7
Fortinet	FortiClientWindows	>= 7.4.0, <= 7.4.7; >= 7.2.0, <= 7.2.14
Fortinet	FortiClientWindowsPAM	7.4.7; 7.2.14

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-194

Timeline

Published: Nov 10, 2026
Last modified: Nov 13, 2026
NVD status: Awaiting Analysis

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