What is the severity of CVE-2024-40586?

CVE-2024-40586 is classified as a high severity vulnerability due to its potential for privilege escalation.

How do I fix CVE-2024-40586?

To fix CVE-2024-40586, update FortiClient to version 7.4.1 or later, which addresses the improper access control issue.

What versions of FortiClient are affected by CVE-2024-40586?

CVE-2024-40586 affects FortiClient Windows versions 7.4.0, 7.2.6 and below, as well as 7.0.13 and below.

Can CVE-2024-40586 be exploited remotely?

No, CVE-2024-40586 requires local access, as it involves privilege escalation through the FortiSSLVPNd service.

What type of vulnerability is CVE-2024-40586?

CVE-2024-40586 is categorized as an Improper Access Control vulnerability, specifically related to privilege escalation.

Vulnerability/
CVE-2024-40586

medium

6.7

CWE

284

11/2/2025

12/2/2025

CVE-2024-40586

First published: Tue Feb 11 2025(Updated: )

An Improper Access Control vulnerability [CWE-284] in FortiClient Windows version 7.4.0, version 7.2.6 and below, version 7.0.13 and below may allow a local user to escalate his privileges via FortiSSLVPNd service pipe.

Credit: psirt@fortinet.com

Affected Software	Affected Version	How to fix
Fortinet FortiClient Virtual Private Network	<7.2.6<7.0.13

Remedy

Please upgrade to FortiClientWindows version 7.4.1 or above Please upgrade to FortiClientWindows version 7.2.7 or above Please upgrade to FortiClientWindows version 7.0.14 or above

Never miss a vulnerability like this again

Reference Links

https://fortiguard.fortinet.com/psirt/FG-IR-23-279

Frequently Asked Questions

What is the severity of CVE-2024-40586?
CVE-2024-40586 is classified as a high severity vulnerability due to its potential for privilege escalation.
How do I fix CVE-2024-40586?
To fix CVE-2024-40586, update FortiClient to version 7.4.1 or later, which addresses the improper access control issue.
What versions of FortiClient are affected by CVE-2024-40586?
CVE-2024-40586 affects FortiClient Windows versions 7.4.0, 7.2.6 and below, as well as 7.0.13 and below.
Can CVE-2024-40586 be exploited remotely?
No, CVE-2024-40586 requires local access, as it involves privilege escalation through the FortiSSLVPNd service.
What type of vulnerability is CVE-2024-40586?
CVE-2024-40586 is categorized as an Improper Access Control vulnerability, specifically related to privilege escalation.

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