FortiMail Zero-Day CVE-2026-104286 (CVSS 9.8): Active Exploitation with No Patches for Three Branches – Mitigate Now
If your organization runs Fortinet FortiMail as its email security gateway, stop what you are doing and check your build. CISA added CVE-2026-104286 to its Known Exploited Vulnerabilities catalog on October 1 after threat actors…