How severe is CVE-2026-39810?

CVE-2026-39810 has a CVSS 3.x base score of 6.0, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-39810 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-39810?

CVE-2026-39810 affects Fortinet Forticlientems. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-39810?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-39810 have an EU (EUVD) identifier?

Yes. CVE-2026-39810 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22339.

When was CVE-2026-39810 published?

CVE-2026-39810 was published on 2026-04-14 and last updated on 2026-06-17.

CVE-2026-39810

CVE-2026-39810 is a medium-severity vulnerability in Fortinet Forticlientems with a CVSS 3.x base score of 6.0. 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-321.

Key facts

Severity: Medium (CVSS 3.x base score 6.0)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-22339
Weakness: CWE-321
Affected product: Fortinet Forticlientems
Published: 2026-04-14
Last modified: 2026-06-17

Description

A use of hard-coded cryptographic key vulnerability in Fortinet FortiClientEMS 7.4.0 through 7.4.5 may allow attacker to information disclosure via decrypting database dump.

Frequently asked questions

What is CVE-2026-39810?: A use of hard-coded cryptographic key vulnerability in Fortinet FortiClientEMS 7.4.0 through 7.4.5 may allow attacker to information disclosure via decrypting database dump.
How severe is CVE-2026-39810?: CVE-2026-39810 has a CVSS 3.x base score of 6.0, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-39810 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-39810?: CVE-2026-39810 affects Fortinet Forticlientems. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-39810?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-39810 have an EU (EUVD) identifier?: Yes. CVE-2026-39810 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22339.
When was CVE-2026-39810 published?: CVE-2026-39810 was published on 2026-04-14 and last updated on 2026-06-17.

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-107

Affected products (1)

cpe:2.3:a:fortinet:forticlientems:*:*:*:*:*:*:*:*

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