CVE-2026-0263
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
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Palo Alto Networks | Cloud NGFW | All | unaffected |
| Palo Alto Networks | PAN-OS | 12.1.0 < 12.1.7, 12.1.4-h5 | affected |
| Palo Alto Networks | PAN-OS | 11.2.0 < 11.2.12, 11.2.10-h6, 11.2.7-h13, 11.2.4-h17 | affected |
| Palo Alto Networks | PAN-OS | 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 | affected |
| Palo Alto Networks | PAN-OS | 10.2.0 | unaffected |
| Palo Alto Networks | Prisma Access | All | unaffected |
Weaknesses
- CWE-787: CWE-787 Out-of-bounds Write
Workarounds
Customers using IKEv2 VPN can mitigate this issue by configuring IKEv2 VPN tunnels only with NIST approved Post Quantum Cryptography (PQC) ciphers.
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
References
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