SecurityWeek

Root RCE Zero-Day in Cisco Secure Email Gateway Under Active Exploitation

VulnerabilityCriticalCVE-2026-76461secure email gateway

A zero-day root RCE vulnerability (CVE-2026-76461) in Cisco Secure Email Gateway is under active exploitation, allowing unauthenticated attackers to execute arbitrary commands with root privileges on affected systems.

AI summary · generated with Claude

https://www.securityweek.com/root-rce-zero-day-in-cisco-secure-email-gateway-under-active-exploitation/