Fortinet has issued a critical security advisory warning administrators to immediately patch instances of FortiClientEMS, its central management solution for endpoint protection. The vulnerability, tracked as CVE-2026-21643, carries a CVSSv3 score of 9.1 and could allow unauthenticated, remote attackers to execute arbitrary code or unauthorized commands on affected servers. The flaw is categorized as an […] The post Critical FortiClientEMS Vulnerability Let Attackers Execute Malicious Code Remotely appeared first on Cyber Security News.