PAN-OS: Remote Code Execution (RCE) in IKEv2 Processing_CVE-2026-0263

7.2 / 10

HIGH

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:N/E:U/AU:Y/R:U/V:C/RE:H/U:Red

Description

A buffer overflow vulnerability in the IKEv2 processing of Palo Alto Networks PAN-OS® software allows an unauthenticated network-based attacker to execute arbitrary code with elevated privileges on the firewall, or cause a denial of service (DoS) condition.

Panorama, Cloud NGFW, and Prisma® Access are not impacted by these vulnerabilities.

Basic Information

ID CVE-2026-0263

Source palo_alto

Published May 13, 2026 at 17:47

Affected Product

Vendor Palo Alto Networks

Product Cloud NGFW

Version All

Affected Versions Palo Alto Networks PAN-OS 12.1.0
Palo Alto Networks PAN-OS 11.2.0
Palo Alto Networks PAN-OS 11.1.0

CWE Classification

CWE-787

References

security.paloaltonetworks.com /CVE-2026-0263

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    "published": "2026-05-13T17:47:05.198Z",
    "modified": "2026-05-13T17:47:05.198Z",
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