Adobe Reader and Acrobat before 11.0.16, Acrobat and Acrobat Reader DC Classic before 15.006.30172, and Acrobat and Acrobat Reader DC Continuous before 15.016.20039 on Windows and OS X allow attackers to obtain sensitive information via unspecified vectors.
https://helpx.adobe.com/security/products/acrobat/apsb16-14.html
https://euvd.enisa.europa.eu/vulnerability/EUVD-2016-2216