CISA Flags Active Exploitation of Cisco Secure FMC Flaw CVE-2026-20079

Cisco and CISA have issued warnings regarding active exploitation of CVE-2026-20079, a vulnerability in Cisco Secure Firewall Management Center (FMC) disclosed in March 2026. The advisory confirms real-world attacks, though specific threat actor and scope remain undisclosed. This is a notable escalation as the flaw moves from disclosure to active exploitation, prompting urgent patching for affected enterprises.