CVE-2026-0263
PAN-OS: Remote Code Execution (RCE) in IKEv2 Processing
At a glance Severity HIGH 7.2 EPSS EPSS 0.37 % · percentile 31 (2026-10-27) State PUBLISHED Published 2026-05-13 Updated 2026-05-14 Assigner palo_alto NVD status Analyzed 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.
Scores Version Score Vector Scored by CVSS 4.0 HIGH 7.2 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 palo_alto CVSS 4.0 HIGH 7.2 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/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 NVD · psirt@paloaltonetworks.com (Secondary) CVSS 3.1 CRITICAL 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H NVD · nvd@nist.gov (Primary)
Weaknesses (CWE)
European references
CERT-FR advisories
Affected configurations (NVD CPE) cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* ≥ 11.1.0 < 11.1.4cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* ≥ 11.1.5 < 11.1.6cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* ≥ 11.1.8 < 11.1.10cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:* ≥ 11.1.11 < 11.1.13cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:-:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h1:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h10:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h11:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h12:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h13:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h15:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h16:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h17:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h18:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h2:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h25:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h27:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h3:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h32:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h4:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h5:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h6:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h7:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h8:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.4:h9:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:-:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h1:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h10:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h14:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h17:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h18:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h19:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h2:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h20:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h21:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h22:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h23:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h25:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h29:*:*:*:*:*:*cpe:2.3:o:paloaltonetworks:pan-os:11.1.6:h3:*:*:*:*:*:*+62 more Affected products
References
Sources
