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HIGH · 7.5

CVE-2026-0227

A vulnerability in Palo Alto Networks PAN-OS software enables an unauthenticated attacker to cause a denial of service (DoS) to the firewall. Repeated attempts to trigger this issue results in the fir...

Vulnerability Description

A vulnerability in Palo Alto Networks PAN-OS software enables an unauthenticated attacker to cause a denial of service (DoS) to the firewall. Repeated attempts to trigger this issue results in the firewall entering into maintenance mode.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
PaloaltonetworksPan-Os>= 10.1.0, < 10.1.14
PaloaltonetworksPrisma Access-

Related Weaknesses (CWE)

CWE-754

References

FAQ

What is CVE-2026-0227?

CVE-2026-0227 is a vulnerability with a CVSS score of 7.5 (HIGH). A vulnerability in Palo Alto Networks PAN-OS software enables an unauthenticated attacker to cause a denial of service (DoS) to the firewall. Repeated attempts to trigger this issue results in the fir...

How severe is CVE-2026-0227?

CVE-2026-0227 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-0227?

Check the references section above for vendor advisories and patch information. Affected products include: Paloaltonetworks Pan-Os, Paloaltonetworks Prisma Access.