CVE-2026-0287
HIGHPAN-OS: Denial of Service Vulnerabilities in Network Traffic Processing
Title source: cnaDescription
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.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
https://security.paloaltonetworks.com/CVE-2026-PAN-323400
https://security.paloaltonetworks.com/CVE-2026-0287
Scores
CVSS v3
7.5
EPSS
0.0053
EPSS Percentile
41.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-754
Status
published
Products (10)
Palo Alto Networks/Cloud NGFW
All
Palo Alto Networks/PAN-OS
10.2.0 - 10.2.7-h36
Palo Alto Networks/PAN-OS
11.1.0 - 11.1.4-h35
Palo Alto Networks/PAN-OS
11.2.0 - 11.2.4-h20
Palo Alto Networks/PAN-OS
12.1.0 - 12.1.4-h8
Palo Alto Networks/Prisma Access
10.2.0 - 10.2.10-h39
Palo Alto Networks/Prisma Access
11.2.0 - 11.2.7-h18
paloaltonetworks/cloud_ngfw
(2 CPE variants)
paloaltonetworks/pan-os
10.2.7 (28 CPE variants)
paloaltonetworks/pan-os
10.2.10 (13 CPE variants)
Published
Jul 09, 2026
Tracked Since
Jul 10, 2026