Actively exploited in the wild
Fortinet FortiClient EMS Improper Access Control Vulnerability
Fortinet - FortiClient EMS · Listed in the CISA KEV since 2026-04-06. This indicates confirmed attacks in production environments.
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.
CVE-2026-35616
CriticalCVSS 9.8KEVExploitation Probability (EPSS)
Very high risk100th percentile - higher than 100% of all known CVEs
Summary
An improper access control vulnerability in Fortinet FortiClientEMS versions 7.4.5 through 7.4.6 allows an unauthenticated attacker to execute unauthorized code or commands via crafted requests.
Risk Assessment
An attacker can remotely take over the FortiClientEMS server without authentication, potentially leading to full compromise of the endpoint management system.
Recommendation
Immediately upgrade FortiClientEMS to version 7.4.7 or later once the vendor releases a patch.
Other vulnerabilities in FortiClientEMS
See all- CVE-2025-59922High
An SQL Injection vulnerability in Fortinet FortiClientEMS allows an authenticated attacker with at least read-only admin permission to execute unauthorized SQL code or commands via crafted HTTP/HTTPS requests.
- CVE-2026-59836High
A vulnerability in Fortinet FortiClientEMS allows an attacker to disclose information due to improper certificate validation. Affected versions include 7.4.3-7.4.5, 7.4.0-7.4.1, and all 7.2 versions.
Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS