FortiClient Windows 7.4.0-7.4.7 Unverified Ownership Vulnerability (CVE-2026-84386)
CVE-2026-84386 Published on September 8, 2026
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 via an exposed minifilter communication port.
Vulnerability Analysis
CVE-2026-84386 is exploitable with local system access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity, and a high impact on availability.
Weakness Type
Unverified Ownership
The software does not properly verify that a critical resource is owned by the proper entity.
Products Associated with CVE-2026-84386
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Affected Versions
Fortinet FortiClientWindows:- Version 7.4.0, <= 7.4.7 is affected.
- Version 7.2.0, <= 7.2.15 is affected.