Palo Alto Networks security advisory (AV26-425)

Serial number: AV26-425
Date: May 6, 2026

On May 5, 2026, Palo Alto Networks published a security advisory to address critical vulnerabilities in the following products:

  • PAN-OS 12.1 – versions prior to 12.1.4-h5
  • PAN-OS 12.1 – versions prior to 12.1.7
  • PAN-OS 11.2 – multiple versions
  • PAN-OS 11.1 - multiple versions
  • PAN-OS 10.2 – multiple versions

Palo Alto has received reports that CVE-2026-0300 is being actively exploited.

The Cyber Centre encourages users and administrators to review the provided web links, perform the suggested mitigations and apply the necessary updates, when available.

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