Is CVE-2024-40586 in the CISA KEV catalog?

No. CVE-2024-40586 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-40586?

CVE-2024-40586 has a CVSS v3 base score of 6.7 (MEDIUM).

What is the EPSS score for CVE-2024-40586?

CVE-2024-40586 has an EPSS score of 0.23% (14th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-40586?

Upgrade FortiClient VPN to 7.2.7 or later.

CVE & CISA-KEV Catalog

CVE-2024-40586

MEDIUM

6.7

CVSS v3

NVD

Description

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.

CWE-284Improper Access Control

How to fix

Remediation Available

FortiClient VPNWindows application

Affected:7.2.0 7.2.7Fixed in:7.2.7

Affected:7.0.3 7.0.14Fixed in:7.0.14

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.23%probability of exploitation in 30 days

14thpercentile

Low risk: more likely to be exploited than 14% of all known CVEs.

References

Vendor Advisory1

fortiguard.fortinet.com

Related Vulnerabilities

Other CWE-284 (Improper Access Control) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-27350	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2019-1653	High	7.5	100%	KEV	-
CVE-2023-23752	Medium	5.3	100%	KEV	Fix
CVE-2023-29298	High	7.5	100%	KEV	-
CVE-2023-38205	High	7.5	100%	KEV	-
CVE-2024-27348	Critical	9.8	99%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-07-16.