Vulnerability in Fortinet Forticlientems
CVE-2026-35616
A improper access control vulnerability in Fortinet FortiClientEMS 7.4.5 through 7.4.6 may allow an unauthenticated attacker to execute unauthorized code or commands via crafted requests.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.091 (95.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.907 · newest: 0.091 · change: -0.817
Affected products
- Fortinet Forticlientems — versions 7.4.5, 7.4.6
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Public proof-of-concept exploits
References
- fortiguard.fortinet.com/psirt/FG-IR-26-099 (Patch, Vendor Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2026-35616?
- CVE-2026-35616 is a critical-severity vulnerability in Fortinet Forticlientems, classified under Improper Access Control. CVSS score: 9.8/10. Published 2026-04-04.
- How severe is CVE-2026-35616?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2026-35616 known to be exploited?
- Yes. CVE-2026-35616 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-04-06), indicating it is being actively exploited. 10 public proof-of-concept repositories are indexed.