Cisco Confirms CVE-2026-20079 Secure FMC Flaw Exploited in Attacks

Cisco Confirms Active Exploitation of Critical Secure FMC Root Access Flaw

Cisco warns that CVE-2026-20079, a CVSS 10.0 authentication bypass in Secure FMC, is being exploited by Sandworm and crimeware groups to gain root access.

Cisco confirms CVE-2026-20079 Secure FMC flaw exploited in attacks

Cisco has confirmed that a maximum-severity authentication bypass vulnerability tracked as CVE-2026-20079 in its Secure Firewall Management Center (FMC) software is being actively exploited in attacks. [...]

Active exploitation of Cisco Secure Firewall Management Center vulnerabilities

Cisco Talos is actively tracking the exploitation of two vulnerabilities in Cisco’s Secure Firewall Management Center (FMC) Software. Read more →