How severe is CVE-2026-44278?

CVE-2026-44278 has a CVSS 3.x base score of 2.3, rated low severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-44278 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-2026-44278?

CVE-2026-44278 affects Fortinet Forticlient. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-44278?

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

Does CVE-2026-44278 have an EU (EUVD) identifier?

Yes. CVE-2026-44278 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29730.

When was CVE-2026-44278 published?

CVE-2026-44278 was published on 2026-05-12 and last updated on 2026-06-17.

CVE-2026-44278

CVE-2026-44278 is a low-severity vulnerability in Fortinet Forticlient with a CVSS 3.x base score of 2.3. 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: Low (CVSS 3.x base score 2.3)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-29730
Weakness: CWE-321
Affected product: Fortinet Forticlient
Published: 2026-05-12
Last modified: 2026-06-17

Description

A use of hard-coded cryptographic key vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.2, FortiClientWindows 7.2 all versions may allow attacker to information disclosure via <insert attack vector here>

Frequently asked questions

What is CVE-2026-44278?: A use of hard-coded cryptographic key vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.2, FortiClientWindows 7.2 all versions may allow attacker to information disclosure via <insert attack vector here>
How severe is CVE-2026-44278?: CVE-2026-44278 has a CVSS 3.x base score of 2.3, rated low severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-44278 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-2026-44278?: CVE-2026-44278 affects Fortinet Forticlient. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-44278?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-44278 have an EU (EUVD) identifier?: Yes. CVE-2026-44278 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29730.
When was CVE-2026-44278 published?: CVE-2026-44278 was published on 2026-05-12 and last updated on 2026-06-17.

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-129

Affected products (1)

cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:*

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