Cisco patches critical unauthenticated RCE in NX-OS MPLS OAM affecting Nexus 3000 and 9000 switches (CVE-2026-76465)
Cisco disclosed a critical vulnerability, CVE-2026-76465, in the MPLS Operation, Administration, and Maintenance (OAM) feature of Cisco NX-OS Software for Cisco Nexus 3000 Series and Nexus 9000 Series switches. An unauthenticated, remote attacker could execute arbitrary code with root privileges or cause a denial of service (DoS) on an af…