Fortinet FortiClient / EMS vulnerabilities

6 advisories, 3 actively exploited. Last update: September 8, 2026.

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FG-IR-26-165September 8, 2026Medium 5.1
Fortinet: Arbitrary process termination from exposed minifilter communication port
FG-IR-26-156August 12, 2026High 7.3
Fortinet: Heap overflow in kernel driver due to missing size validation
FG-IR-26-147July 14, 2026High 7.5
Fortinet: Missed certificate verification in AD Connector communication with FortiClient EMS
CVE-2026-21643April 13, 2026Critical 9.8Exploited
Fortinet FortiClient EMS SQL Injection Vulnerability
CVE-2026-35616April 6, 2026Critical 9.8Exploited
Fortinet FortiClient EMS Improper Access Control Vulnerability
CVE-2023-48788March 25, 2024Critical 9.8Exploited
Fortinet FortiClient EMS SQL Injection Vulnerability