Question 1

What is the EOL Risk Score for Oracle Solaris 11.4?

Accepted Answer

Oracle Solaris 11.4 has an EOL Risk Score™ of 30 out of 100, placing it in the Medium risk band. The score is calculated from four factors: EOL Recency (0/40), Attack Surface (10/30), CISA KEV Exposure (20/20), and Extended Support Availability (0/10).

Question 2

Is Oracle Solaris 11.4 still supported?

Accepted Answer

Oracle Solaris 11.4 is currently supported. End of life is scheduled for November 1, 2031. Plan your migration before that date to avoid security risk.

Question 3

When does Oracle Solaris 11.4 reach end of life?

Accepted Answer

Oracle Solaris 11.4 reached (or will reach) end of life on November 1, 2031. After this date, no security patches or bug fixes are issued by the vendor.

Question 4

What are the security risks of running Oracle Solaris 11.4 after end of life?

Accepted Answer

After end of life, Oracle Solaris 11.4 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.