Untrusted search path vulnerability in Adobe Flash Player before 18.0.0.343 and 19.x through 21.x before 21.0.0.213 on Windows and OS X and before 11.2.202.616 on Linux allows local users to gain privileges via a Trojan horse resource in an unspecified directory.
https://helpx.adobe.com/security/products/flash-player/apsb16-10.html
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-050
http://seclists.org/fulldisclosure/2016/Jun/39
http://rhn.redhat.com/errata/RHSA-2016-0610.html
http://packetstormsecurity.com/files/137532/Adobe-Flash-Player-DLL-Hijacking.html