Use-after-free vulnerability in Adobe Reader and Acrobat before 11.0.17, Acrobat and Acrobat Reader DC Classic before 15.006.30198, and Acrobat and Acrobat Reader DC Continuous before 15.017.20050 on Windows and OS X allows attackers to execute arbitrary code via unspecified vectors.
https://helpx.adobe.com/security/products/acrobat/apsb16-26.html
http://www.zerodayinitiative.com/advisories/ZDI-16-420