Palo Alto Networks warns of PAN-OS RCE flaw exploited in attacks

Palo Alto Networks has issued security updates addressing a high-severity remote code execution (RCE) zero-day vulnerability in PAN-OS, tracked as CVE-2026-0322. The flaw has been actively exploited in attacks targeting firewalls. The vulnerability poses significant risk to organizations relying on Palo Alto Networks firewall products. Users are urged to apply the released patches immediately to mitigate exposure. The exploitation of this zero-day highlights ongoing threats to network perimeter security devices.