CVE-2026-84386: Improper access control in Fortinet FortiClientWindows
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>
AI Analysis
Technical Summary
This vulnerability in Fortinet FortiClientWindows versions 7.4.0 and 7.2.0 is due to improper access control caused by unverified ownership. It allows an attacker with high privileges to potentially perform unauthorized actions by bypassing intended access restrictions. The CVSS 3.1 base score is 4.7, reflecting a medium severity with local attack vector, low attack complexity, and no user interaction required. The vendor has released an official fix to remediate this vulnerability.
Potential Impact
The vulnerability could allow an attacker with high privileges to bypass access controls, potentially leading to limited integrity impact and high availability impact. Confidentiality is not affected. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Fortinet. Users should apply the vendor-provided patches for FortiClientWindows versions 7.4.0 and 7.2.0 to remediate this vulnerability.
CVE-2026-84386: Improper access control in Fortinet FortiClientWindows
Description
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 v3.1
Score 4.7medium
Affected software
cpe:2.3:a:fortinet:forticlientwindows:7.4.7:*:*:*:*:*:*:*cpe:2.3:a:fortinet:forticlientwindows:7.4.6:*:*:*:*:*:*:*cpe:2.3:a:fortinet:forticlientwindows:7.4.5:*:*:*:*:*:*:*cpe:2.3:a:fortinet:forticlientwindows:7.4.4:*:*:*:*:*:*:*cpe:2.3:a:fortinet:forticlientwindows:7.4.3:*:*:*:*:*:*:*cpe:2.3:a:fortinet:forticlientwindows:7.4.2:*:*:*:*:*:*:*AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Fortinet FortiClientWindows versions 7.4.0 and 7.2.0 is due to improper access control caused by unverified ownership. It allows an attacker with high privileges to potentially perform unauthorized actions by bypassing intended access restrictions. The CVSS 3.1 base score is 4.7, reflecting a medium severity with local attack vector, low attack complexity, and no user interaction required. The vendor has released an official fix to remediate this vulnerability.
Potential Impact
The vulnerability could allow an attacker with high privileges to bypass access controls, potentially leading to limited integrity impact and high availability impact. Confidentiality is not affected. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Fortinet. Users should apply the vendor-provided patches for FortiClientWindows versions 7.4.0 and 7.2.0 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- fortinet
- Date Reserved
- 2026-09-01T16:36:06.039Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
Threat ID: 6aa03d69acd9273b49f0b400
Added to database: 09/08/2026, 16:52:57 UTC
Last enriched: 09/08/2026, 17:08:07 UTC
Last updated: 09/09/2026, 00:24:39 UTC
Views: 9
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