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CVE-2026-35616: Fortinet FortiClient EMS Improper Access Control Vulnerability
Fortinet FortiClient EMS · in CISA KEV since 2026-04-06
2026-04-06added to KEV
2026-04-09federal remediation due date
90.75%EPSS exploit probability (30 days) 99.8th percentile
9.8 CRITICALCVSS 3.1
Unknownknown ransomware use
2days from NVD publication to KEV
What it is
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.
| CWE | CWE-284 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD published | 2026-04-04 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2026-35616.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.
Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.