FortiClient and EMS
CVE-2024-40586: Improper Access Control in FortiClientWindows
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.
Published
ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityMEDIUMCVSS 3.1 6.3
EPSS0.25%Chance of exploitation in 30 days
Public exploitNot tracked
FixAvailable
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| FortiClientWindows 7.4 | 7.4.1 or later |
| FortiClientWindows 7.2.0 to 7.2.6 | 7.2.7 or later |
| FortiClientWindows 7.0.3 to 7.0.13 | 7.0.14 or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
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.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 10 Oct 2026.