Cisco alerts customers to second actively exploited zero-day in as many days

CyberScoop reports that Cisco disclosed a maximum-severity, actively exploited zero-day affecting Cisco Identity Services Engine, following another recently disclosed exploited vulnerability in Cisco email gateways. The feed also covers DDoS-for-hire domain seizures, cyber threats to transportation and critical infrastructure, maritime network compromises, CISA cyber-decoy guidance, and federal cybersecurity policy. The primary actionable item is the Cisco ISE zero-day, identified as CVE-2026-76460.