Palo Alto Security Updates – 14 May 2026

Palo Alto has released security updates to address several vulnerabilities affecting multiple Palo Alto products.

The addressed vulnerabilities could allow the attacker to conduct denial-of-service and man-in-the middle attacks, bypass security restrictions, obtain sensitive information, manipulate data, gain elevated privileges, perform stored cross-site scripting, execute arbitrary code/commands, and gain access to the affected systems.

Sample of the addressed vulnerabilities:

1. PAN-OS: Remote Code Execution in IKEv2 Processing Vulnerability (CVE-2026- 0263):

  • CVSS: 7.2
  • Attack Vector: Network
  • Attack Complexity: High
  • Privileges Required: None
  • User Interaction: None
  • Consequences: Remote Code Execution

2. PAN-OS: Authentication Bypass with Cloud Authentication Service (CAS) Enabled Vulnerability (CVE-2026-0265):

  • CVSS: 7.2
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Consequences: Security Bypass

Sample of the affected products:

  • PAN-OS.
  • Prisma Access & Prisma Access Agent (Endpoint DLP).
  • WildFire WF-500 and WF-500-B.
  • GlobalProtect App.
Vulnerabilities
Mitigations

The enterprise should deploy this patch as soon as the testing phase is completed.

Palo Alto Security Advisory

References