How severe is CVE-2026-24018?

CVE-2026-24018 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-24018 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-24018?

CVE-2026-24018 affects Fortinet Forticlient. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-24018?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-24018 have an EU (EUVD) identifier?

Yes. CVE-2026-24018 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10521.

When was CVE-2026-24018 published?

CVE-2026-24018 was published on 2026-03-10 and last updated on 2026-06-17.

CVE-2026-24018

CVE-2026-24018 is a high-severity vulnerability in Fortinet Forticlient with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-61.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-10521
Weakness: CWE-61
Affected product: Fortinet Forticlient
Published: 2026-03-10
Last modified: 2026-06-17

Description

A UNIX symbolic link (Symlink) following vulnerability in Fortinet FortiClientLinux 7.4.0 through 7.4.4, FortiClientLinux 7.2.2 through 7.2.12 may allow a local and unprivileged user to escalate their privileges to root.

Frequently asked questions

What is CVE-2026-24018?: A UNIX symbolic link (Symlink) following vulnerability in Fortinet FortiClientLinux 7.4.0 through 7.4.4, FortiClientLinux 7.2.2 through 7.2.12 may allow a local and unprivileged user to escalate their privileges to root.
How severe is CVE-2026-24018?: CVE-2026-24018 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-24018 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-24018?: CVE-2026-24018 affects Fortinet Forticlient. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-24018?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-24018 have an EU (EUVD) identifier?: Yes. CVE-2026-24018 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10521.
When was CVE-2026-24018 published?: CVE-2026-24018 was published on 2026-03-10 and last updated on 2026-06-17.

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-083

Affected products (1)

cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:linux:*:*

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