Question 1

What is the EOL Risk Score for macOS 12?

Accepted Answer

macOS 12 has an EOL Risk Score™ of 100 out of 100, placing it in the Critical risk band. The score is calculated from four factors: EOL Recency (40/40), Attack Surface (30/30), CISA KEV Exposure (20/20), and Extended Support Availability (10/10).

Question 2

Is macOS 12 still supported?

Accepted Answer

macOS 12 is no longer supported — it has passed its end of life date (September 16, 2024). No further security patches will be issued. Upgrade to a supported version or obtain extended lifecycle support.

Question 3

When does macOS 12 reach end of life?

Accepted Answer

macOS 12 reached (or will reach) end of life on September 16, 2024. After this date, no security patches or bug fixes are issued by the vendor.

Question 4

What are the security risks of running macOS 12 after end of life?

Accepted Answer

After end of life, macOS 12 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.