CVE-2026-0263 | THREATINT

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.

PUBLISHED Reserved 2025-11-03 | Published 2026-05-13 | Updated 2026-05-13 | Assigner palo_alto

HIGH: 7.2CVSS: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

Problem types

CWE-787 Out-of-bounds Write

Product status

Default status

unaffected

All (custom)

unaffected

Default status

unaffected

12.1.0 (custom) before 12.1.7, 12.1.4-h5

affected

11.2.0 (custom) before 11.2.12, 11.2.10-h6, 11.2.7-h13, 11.2.4-h17

affected

11.1.0 (custom) before 11.1.15, 11.1.13-h5, 11.1.10-h25, 11.1.7-h6, 11.1.6-h32, 11.1.4-h33

affected

10.2.0 (custom)

unaffected

Default status

unaffected

All (custom)

unaffected

Timeline

2026-05-13:

Initial publication.

Credits

our internal security research teams other

References

security.paloaltonetworks.com/CVE-2026-0263 vendor-advisory

cve.org (CVE-2026-0263)

nvd.nist.gov (CVE-2026-0263)

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