Is It On KEV?

Fortinet FortiClient EMS

YES - ON THE CISA KEV LIST
CVE-2026-35616

Fortinet FortiClient EMS Improper Access Control Vulnerability

CISA catalog due date2026-04-09
216 days past due
EPSS exploit probability (next 30 days)94.0% · 100percentile
From CVE publication to KEV listing2 days (2026-04-04 → 2026-04-06)
Remediation window (KEV listing to due date)3 days
Days on the KEV list219 days
Date added to KEV2026-04-06
Known ransomware campaign useUnknown
VendorFortinet
ProductFortiClient EMS
Weaknesses (CWE)CWE-284

Fortinet: 32 entries (1.8% of all KEV entries are from this vendor); 9 added in 2026.

BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.

Your BOD 26-04 window (SSVC tier helper)

Your remediation window ends:

Description

Fortinet FortiClient EMS contains an improper access control vulnerability that may allow an unauthenticated attacker to execute unauthorized code or commands via crafted requests.

Required action (CISA)

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

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

References

Other KEV entries for this vendor: Fortinet

Fortinet - Vendors with KEV entries

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