Cisco Expressway Flaw Lets Remote Attackers Run Commands as Root
Cisco has released fixes for a critical vulnerability in its Expressway product line that could allow remote attackers to execute operating-system commands with root privileges on affected devices. Tracked as CVE-2026-76466 and assigned a CVSS score of 9.8, the issue is specific to clustered deployments of Cisco Expressway Core (Expressway‑C) and Cisco Expressway Edge (Expressway‑E). Cisco published its advisory on October 21, 2026, and the company credited Stefan Aleksic of…