Question 1

What is the EOL Risk Score for Adobe Acrobat Acrobat XI / Reader XI?

Accepted Answer

Adobe Acrobat Acrobat XI / Reader XI has an EOL Risk Score™ of 70 out of 100, placing it in the High 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 (0/10).

Question 2

Is Adobe Acrobat Acrobat XI / Reader XI still supported?

Accepted Answer

Adobe Acrobat Acrobat XI / Reader XI is no longer supported — it has passed its end of life date (October 15, 2017). No further security patches will be issued. Upgrade to a supported version or obtain extended lifecycle support.

Question 3

When does Adobe Acrobat Acrobat XI / Reader XI reach end of life?

Accepted Answer

Adobe Acrobat Acrobat XI / Reader XI reached (or will reach) end of life on October 15, 2017. After this date, no security patches or bug fixes are issued by the vendor.

Question 4

What are the security risks of running Adobe Acrobat Acrobat XI / Reader XI after end of life?

Accepted Answer

After end of life, Adobe Acrobat Acrobat XI / Reader XI 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.