microsegment.io

segment all the things

The Email Security Gateway Is Now An Attack Origin

CVE-2026-76461 turns one crafted message into a root-level containment problem

Cisco Secure Email Gateway CVE-2026-76461 is actively exploited and can provide root command execution through email parsing. This article explains how to contain the appliance across mail, management, egress, identity, and evidence paths.

Posted by Alexander Goller on Tuesday, September 15, 2026

avatar

Principal Solutions Architect, Zero Trust Evangelist, BSD enthusiast

FEATURED TAGS
2026 ai-security attacks breach-containment cisco cloud-security containers containment cyber-resilience hard-truths hybrid-cloud identity identity-security kubernetes lateral-movement links management-plane metrics microsegmentation microservices mitre mitre-attack network-segmentation oauth ransomware segmentation supply-chain vulnerability-management weekly-roundup zero-trust