All vulnerabilities
CVE-2026-0318

Cloud NGFW: PAN-OS: Denial of Service (DoS) on Panorama

Palo Alto Networks Cloud NGFW
CVSS
4.6Medium
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.32%Chance of exploitation activity in the next 30 days, higher than 23% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in12.2.4Also 12.1.10-h2, 11.2.16 and 1 moreCVE List
Published14 Oct 2026Updated 15 Oct 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Vendor and government advisories 1

Vendors that say their products are affected, and agencies that issued alerts. Check each for the fixed release of the product you run.

Reports 1

1 outlet mention it. Reports are not confirmation; each links to its source.

Description

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.

Text from CVE List

Affected versions 6

  • Cloud NGFWunaffected: AllCVE List
  • PAN-OSaffected: 12.2.0 before 12.2.4CVE List
  • PAN-OSaffected: 12.1.0 before 12.1.10-h2CVE List
  • PAN-OSaffected: 11.2.0 before 11.2.16CVE List
  • PAN-OSaffected: 11.1.0 before 11.1.16-h3CVE List
  • Prisma Accessunaffected: All before 12.1.7-h8CVE List

References 1