Question 1

What is the EOL Risk Score for Palo Alto Networks PA-Series (hardware) K2-Series?

Accepted Answer

Palo Alto Networks PA-Series (hardware) K2-Series has an EOL Risk Score™ of 40 out of 100, placing it in the Medium risk band. The score is calculated from four factors: EOL Recency (30/40), Attack Surface (10/30), CISA KEV Exposure (0/20), and Extended Support Availability (0/10).

Question 2

Is Palo Alto Networks PA-Series (hardware) K2-Series still supported?

Accepted Answer

Palo Alto Networks PA-Series (hardware) K2-Series is no longer supported — it has passed its end of life date (February 28, 2026). No further security patches will be issued. Upgrade to a supported version or obtain extended lifecycle support.

Question 3

When does Palo Alto Networks PA-Series (hardware) K2-Series reach end of life?

Accepted Answer

Palo Alto Networks PA-Series (hardware) K2-Series reached (or will reach) end of life on February 28, 2026. After this date, no security patches or bug fixes are issued by the vendor.

Question 4

What are the security risks of running Palo Alto Networks PA-Series (hardware) K2-Series after end of life?

Accepted Answer

After end of life, Palo Alto Networks PA-Series (hardware) K2-Series no longer receives security patches. Any newly discovered CVEs remain unpatched indefinitely. Organizations running EOL software also face compliance violations under SOC 2, PCI DSS, HIPAA, and ISO 27001, which require use of supported software versions.