Question 1

What is the EOL Risk Score for Internet Explorer 11-ltsb?

Accepted Answer

Internet Explorer 11-ltsb has an EOL Risk Score™ of 20 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 (10/10).

Question 2

Is Internet Explorer 11-ltsb still supported?

Accepted Answer

Internet Explorer 11-ltsb is currently supported. End of life is scheduled for October 14, 2031. Plan your migration before that date to avoid security risk.

Question 3

When does Internet Explorer 11-ltsb reach end of life?

Accepted Answer

Internet Explorer 11-ltsb reached (or will reach) end of life on October 14, 2031. 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 11-ltsb after end of life?

Accepted Answer

After end of life, Internet Explorer 11-ltsb 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.