CVE-2026-0287: PAN-OS: Denial of Service Vulnerabilities in Network Traffic Processing

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-09 · updated 2026-08-11
Weakness: CWE-754

Description

Multiple denial of service vulnerabilities in Palo Alto Networks PAN-OS® software allow an unauthenticated attacker with network access to cause a denial of service (DoS) condition by sending specially crafted network traffic to or through a dataplane interface. Repeated attempts to trigger this condition result in the firewall entering maintenance mode. Panorama is not impacted by these vulnerabilities.

Affected products

Palo Alto Networks Cloud NGFW: all versions
Palo Alto Networks PAN-OS: from 10.2.0 before 10.2.7; from 10.2.8 before 10.2.10; from 10.2.11 before 10.2.13; from 10.2.14 before 10.2.16; from 11.1.0 before 11.1.4; from 11.1.8 before 11.1.10 — fixed in 10.2.10, 10.2.13, 10.2.16, 10.2.7, 11.1.10, 11.1.13

How to fix

Upgrade to a fixed version: Palo Alto Networks PAN-OS 10.2.10, 10.2.13, 10.2.16, 10.2.7. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2026-0287 or the next vulnerability affects your stack