Critical FortiClient EMS Vulnerability Allows Remote Code Execution on Enterprise
Attackers Are Actively Exploiting a Critical FortiClient EMS Vulnerability As an independent cybersecurity blogger and part time penetration tester, Fortinet infrastructure continues to remain one of the most aggressively targeted technologies in enterprise environments. Researchers are now warning about a critical vulnerability affecting: FortiClient Endpoint Management Server (EMS) that allows attackers to: Execute arbitrary code remotely Bypass authentication Compromise centralized endpoint management systems Potentially pivot deeper into enterprise networks. The vulnerability, tracked as: CVE-2026-21643 carries a: CVSS score of 9.1 and is already being exploited in the wild according to multiple security researchers. Researchers warn the flaw is especially dangerous because FortiClient EMS commonly serves as: The centralized control platform for endpoint security infrastructure. What Happened: Fortinet Released Emergency Patches for FortiCli...