CVE-2026-35616
Fortinet FortiClient EMS Improper Access Control Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.
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.
CISA notes
Please adhere to Fortinet's guidelines to assess exposure and mitigate risks. Check for signs of potential compromise on all internet accessible Fortinet products affected by this vulnerability. Apply any final mitigations provided by the vendor as soon as they become available. For more information please see: https://fortiguard.fortinet.com/psirt/FG-IR-26-099 ; https://nvd.nist.gov/vuln/detail/CVE-2026-35616
Description
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.
Severity
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:CExploitation Context
as of October 17, 2026- CISA added CVE-2026-35616 to the KEV catalog 2 days after its CVE record was published. The median for entries added in 2026 so far is 14 days.
- It is one of 32 Fortinet entries in the CISA KEV catalog, and one of 9 added in 2026.
- Its current EPSS score (9.1%) is higher than that of 25% of CISA KEV entries.
Affected Products
| Vendor | Product | Affected versions |
|---|---|---|
| Fortinet | Fortinet FortiClientEMS | 7.4.5 to 7.4.6 |
References
1 LinksRecord Details
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Tool categories
CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.