CVE-2026-35616

Improper Access Control in Fortinet FortiClient EMS. CISA confirmed attackers exploit it and added it to its Known Exploited Vulnerabilities catalog on 6 April 2026.

Product
Fortinet FortiClient EMS
Added to CISA's catalog
Federal fix-by date
Ransomware
No known use in ransomware campaigns

CISA’s description.

Fortinet FortiClient EMS contains an improper access control vulnerability that may allow an unauthenticated attacker to execute unauthorized code or commands via crafted requests.

Every flaw CISA confirmed exploited in the last 30 days is on the exploit watch. This is not security advice. Check the vendor’s advisory before acting. From CISA’s catalog of 4 November 2026.