Question 1

What is the EOL Risk Score for Dynamics 365 Business Central on-premises 2025 release wave 1, version 26.x?

Accepted Answer

Dynamics 365 Business Central on-premises 2025 release wave 1, version 26.x has an EOL Risk Score™ of 25 out of 100, placing it in the Low risk band. The score is calculated from four factors: EOL Recency (15/40), Attack Surface (10/30), CISA KEV Exposure (0/20), and Extended Support Availability (0/10).

Question 2

Is Dynamics 365 Business Central on-premises 2025 release wave 1, version 26.x still supported?

Accepted Answer

Dynamics 365 Business Central on-premises 2025 release wave 1, version 26.x is currently supported. End of life is scheduled for October 13, 2026. Plan your migration before that date to avoid security risk.

Question 3

When does Dynamics 365 Business Central on-premises 2025 release wave 1, version 26.x reach end of life?

Accepted Answer

Dynamics 365 Business Central on-premises 2025 release wave 1, version 26.x reached (or will reach) end of life on October 13, 2026. After this date, no security patches or bug fixes are issued by the vendor.

Question 4

What are the security risks of running Dynamics 365 Business Central on-premises 2025 release wave 1, version 26.x after end of life?

Accepted Answer

After end of life, Dynamics 365 Business Central on-premises 2025 release wave 1, version 26.x 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.