CVE-2026-20079 & CVE-2026-20131: Maximum-severity Vulnerabilities in Cisco FMC
On March 4, 2026, Cisco released fixes for two maximum-severity vulnerabilities impacting Cisco Secure Firewall Management Center (FMC), which is used to centrally manage Cisco Secure Firewall devices. Arctic Wolf has not observed threat actors exploiting these vulnerabilities, nor have any public proof-of-concept exploits been reported.