Palo Alto PAN-OS Denial Of Service Vulnerability

Release Date: 15 Jan 2026

RISK: Medium Risk

TYPE: Security software and application - Security Software & Appliance

A vulnerability was identified in Palo Alto PAN-OS. A remote attacker can exploit this vulnerability to trigger denial of service condition on the targeted system.

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Impact

• Denial of Service

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System / Technologies affected

• PAN-OS 10.1 versions earlier than PAN-OS 10.1.14-h20
• PAN-OS 10.2 versions earlier than PAN-OS 10.2.7-h32, 10.2.10-h30, 10.2.13-h18, 10.2.16-h6, 10.2.18-h1
• PAN-OS 11.1 versions earlier than PAN-OS 11.1.4-h27, 11.1.6-h23, 11.1.10-h9, 11.1.13
• PAN-OS 11.2 versions earlier than PAN-OS 11.2.4-h15, 11.2.7-h8, 11.2.10-h2
• PAN-OS 12.1 versions earlier than PAN-OS 12.1.3-h3, 12.1.4
• PAN-OS Prisma Access 10.2 versions earlier than 10.2.10-h29
• PAN-OS Prisma Access 11.2 versions earlier than 11.2.7-h8

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Solutions

Before installation of the software, please visit the vendor web-site for more details.

 

• Apply fixes issued by the vendor
• For detail, please refer to the link below:
  https://security.paloaltonetworks.com/CVE-2026-0227

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Vulnerability Identifier

• CVE-2026-0227

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Source

• Palo Alto

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Related Link

• https://security.paloaltonetworks.com/CVE-2026-0227