Question 1

What is the EOL Risk Score for Internet Explorer 8?

Accepted Answer

Internet Explorer 8 has an EOL Risk Score™ of 80 out of 100, placing it in the Critical risk band. The score is calculated from four factors: EOL Recency (40/40), Attack Surface (10/30), CISA KEV Exposure (20/20), and Extended Support Availability (10/10).

Question 2

Is Internet Explorer 8 still supported?

Accepted Answer

Internet Explorer 8 is no longer supported — it has passed its end of life date (January 12, 2016). No further security patches will be issued. Upgrade to a supported version or obtain extended lifecycle support.

Question 3

When does Internet Explorer 8 reach end of life?

Accepted Answer

Internet Explorer 8 reached (or will reach) end of life on January 12, 2016. After this date, no security patches or bug fixes are issued by the vendor.

Question 4

What are the security risks of running Internet Explorer 8 after end of life?

Accepted Answer

After end of life, Internet Explorer 8 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.