PT-2026-40712 · Palo Alto Networks · Cloud Ngfw+2

Published 2026-05-13 · Updated 2026-05-13 · CVE-2026-0264

NVD

CVSS v4.0

7.2

High

Base vector

AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:C/RE:H/U:Red

A buffer overflow vulnerability in the DNS proxy and DNS Server features of Palo Alto Networks PAN-OS® Software allows an unauthenticated attacker with network access to cause a denial of service (DoS) condition (all PAN-OS platforms except Cloud NGFW and Prisma Access) or potentially execute arbitrary code by sending specially crafted network traffic (PA-Series hardware only).

Panorama, Cloud NGFW, and Prisma® Access are not impacted by this vulnerability.

Fix

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

CVE-2026-0264

Affected Products

Cloud Ngfw

Pan-Os

Prisma Access

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-0264 · Security Note
• https://security.paloaltonetworks.com/CVE-2026-0264 · Vendor Advisory