Defused Cyber has spotted a critical Fortinet FortiClient Endpoint Management Server (EMS) zero-day vulnerability (CVE-2026-35616) being exploited in the wild. This time around, the confirmation of active exploitation came almost immediately from Fortinet, as well. “Fortinet has observed [CVE-2026-35616] to be exploited in the wild and urges vulnerable customers to install the hotfix for FortiClient EMS 7.4.5 and 7.4.6,” the company stated in a security advisory published on Saturday. About CVE-2026-35616 On Monday, Defused Cyber … More → The post FortiClient EMS zero-day exploited, emergency hotfixes available (CVE-2026-35616) appeared first on Help Net Security.