CVE-2026-76418 — Vulnerability intelligence

Cisco — Secure Firewall ASA Software and Cisco Secure FTD Software

Published: 2026-10-28T20:05:31.926Z

CVSS

8.6

CISA KEV

Known exploitation

Original source text (not a translation)

Cisco Secure Firewall ASA Software and Cisco Secure FTD Software contains an unchecked return value to NULL pointer dereference vulnerability that could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition.

Sources

• Cisco Secure Firewall ASA Software and Cisco Secure FTD Software Unchecked Return Value to NULL Pointer Dereference Vulnerability
• Original advisory
• Original advisory
• Original advisory
• Original advisory
• CVE-2026-76418