CVE-2026-0318 is a vulnerability in Palo Alto Networks PAN-OS

CVE-2026-0318 is a vulnerability in Palo Alto Networks PAN-OS
Published on October 14, 2026

PAN-OS: Denial of Service (DoS) on Panorama
A stack-based buffer overflow vulnerability in the log processing functionality of Palo Alto Networks PAN-OS® software on Panorama enables an attacker to cause a denial of service (DoS) condition. Repeated attempts to trigger this condition result in the Panorama entering maintenance mode. Cloud NGFW, Prisma® Access, and standalone PAN-OS firewalls are not affected by this vulnerability.

Vulnerability Analysis

CVE-2026-0318 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.

Attack Vector:

NETWORK

Attack Complexity:

LOW

Privileges Required:

NONE

User Interaction:

NONE

Timeline

2026-10-14

Initial Publication

Weakness Type

Improper Check for Unusual or Exceptional Conditions

The software does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the software.

Products Associated with CVE-2026-0318

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Affected Versions

Version All is unaffected.

Version 12.2.0 and below 12.2.4 is affected.

Version 12.1.0 and below 12.1.10-h2 is affected.

Version 11.2.0 and below 11.2.16 is affected.

Version 11.1.0 and below 11.1.16-h3 is affected.

Version All and below 12.1.7-h8 is unaffected.