Threat Brief: Exploitation of PAN-OS Captive Portal Zero-Day for Unauthenticated Remote Code Execution

Source: Palo Alto Unit 42  ·  Category: Security News — Technology


CVE-2026-0300: Critical (CVSS 9.3) buffer overflow in Palo Alto PAN-OS captive portal allows unauthenticated remote code execution on exposed firewalls. Law firms relying on PAN-OS firewalls for perimeter security face immediate patching obligations; confirm your infrastructure vendor immediately.

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