Do Son Cisco NX-OS vulnerabilities fixed, including critical NX-API RCE flaw CVE-2026-76471 and CVE-2026-76455, across Nexus, MDS and UCS gear. Patch now.
NX-OS
Four critical Cisco Nexus vulnerabilities, including CVE-2026-76485 and CVE-2026-76465 (CVSS 9.8), allow root RCE on NX-OS switches. Patch now.
CVE-2026-20212, a critical Cisco Nexus 9000 vulnerability, lets an unauthenticated attacker gain remote code execution with root privileges. CVSS 9.8.
Cisco has issued a security advisory for a high-severity DoS vulnerability (CVE-2025-20241) in its Nexus switches that could allow an unauthenticated attacker to crash a device.