Palo Alto Networks Zero-Day Alert Puts PAN-OS Firewall Customers on Patch Watch
Palo Alto Networks confirmed active exploitation of a critical PAN-OS firewall flaw, CVE-2026-0300, allowing remote code execution with root access. Fixes will begin rolling out May 13, leaving customers to rely on mitigations. The U.S. CISA added the bug to its Known Exploited Vulnerabilities list. Researchers said exploitation remains limited and likely state-sponsored.