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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Palo Alto Networks | Cloud NGFW | — | All |
| Palo Alto Networks | PAN-OS | 12.1.0 – < 12.1.7, 12.1.4-h5, 11.2.0 – < 11.2.12, 11.2.10-h6, 11.2.7-h13, 11.2.4-h17, 11.1.0 – < 11.1.15, 11.1.13-h5, 11.1.10-h25, 11.1.7-h6, 11.1.6-h32, 11.1.4-h33 | 12.1.7, 12.1.4-h5 |
| Palo Alto Networks | Prisma Access | — | All |
Advisories 1
- WID-SEC-2026-1528 Palo Alto Networks PAN-OS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 9, 2026
References
- https://security.paloaltonetworks.com/CVE-2026-0263 vendor-advisory