Status: NEW | Advisory ID: CVE-2026-0263
| CVE | CVE-2026-0263 |
| CVSS | CVSS 9.8 (Critical). |
| Affected products | Palo Alto Networks PAN-OS |
| Classified as | CWE-787 (Out-of-bounds Write) |
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.
| Source | Reference |
|---|---|
| NVD | https://nvd.nist.gov/vuln/detail/CVE-2026-0263 |
| Vendor advisory | https://security.paloaltonetworks.com/CVE-2026-0263 |