Question 1

What is the EOL Risk Score for Windows Nano Server 2025?

Accepted Answer

Windows Nano Server 2025 has an EOL Risk Score™ of 10 out of 100, placing it in the Low risk band. The score is calculated from four factors: EOL Recency (0/40), Attack Surface (10/30), CISA KEV Exposure (0/20), and Extended Support Availability (0/10).

Question 2

Is Windows Nano Server 2025 still supported?

Accepted Answer

Windows Nano Server 2025 is currently supported. End of life is scheduled for October 10, 2034. Plan your migration before that date to avoid security risk.

Question 3

When does Windows Nano Server 2025 reach end of life?

Accepted Answer

Windows Nano Server 2025 reached (or will reach) end of life on October 10, 2034. After this date, no security patches or bug fixes are issued by the vendor.

Question 4

What are the security risks of running Windows Nano Server 2025 after end of life?

Accepted Answer

After end of life, Windows Nano Server 2025 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.