CVE-2026-0318
Cloud NGFW: PAN-OS: Denial of Service (DoS) on Panorama
Palo Alto Networks Cloud NGFW
CVSS
4.6MediumExploitationNo 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
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