What CVE-2026-20079 Means for Every Network Team
On September 9, Cisco confirmed what earlier warning signs had already hinted at: a security flaw in its Secure Firewall Management Center (Secure FMC) software, the tool that configures and controls Cisco firewalls across a network, is being actively exploited. The flaw, tracked as CVE-2026-20079, received a maximum severity score of 10.0 on the CVSS scale, the industry-standard scale used to rate how serious a vulnerability is.