Cisco Secure Email Gateway 0-day Vulnerability Actively Exploited in the Wild to Run Malicious Code

Cisco has issued an urgent warning regarding an actively exploited zero-day vulnerability in its Secure Email Gateway appliances that allows remote, unauthenticated attackers to execute arbitrary commands with highest-level root privileges. Tracked as CVE-2026-76461, the flaw stems from a severe parsing breakdown in Cisco AsyncOS Software,...