Stack-based Buffer Overflow in Palo Alto Networks PAN-OS Software
CVE-2026-0318

4.6MEDIUM

Key Information:

Vendor

Palo Alto Networks
Status
Cloud Ngfw
Pan-os
Prisma Access
Vendor
CVE Published:
14 October 2026

Badges

👾 Exploit Exists

What is CVE-2026-0318?

A stack-based buffer overflow vulnerability exists in the log processing capabilities of Palo Alto Networks PAN-OS software when utilized on Panorama. An attacker could exploit this weakness to induce a denial of service (DoS) condition, with repeated exploit attempts causing the Panorama to unexpectedly enter maintenance mode. Importantly, this vulnerability does not affect Cloud NGFW, Prisma Access, or standalone PAN-OS firewalls.

Affected Version(s)

PAN-OS Panorama 12.2.0 < 12.2.4

PAN-OS Panorama 12.1.0 < 12.1.10-h2

PAN-OS Panorama 11.2.0 < 11.2.16

References

https://security.paloaltonetworks.com/CVE-2026-0318
vendor-advisory

CVSS V4

Score:
4.6
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ben Nott (internal reporter)
.