The Flash broker in Adobe Flash Player before 13.0.0.292 and 14.x through 18.x before 18.0.0.160 on Windows and OS X and before 11.2.202.466 on Linux, Adobe AIR before 18.0.0.144 on Windows and before 18.0.0.143 on OS X and Android, Adobe AIR SDK before 18.0.0.144 on Windows and before 18.0.0.143 on OS X, and Adobe AIR SDK & Compiler before 18.0.0.144 on Windows and before 18.0.0.143 on OS X, when Internet Explorer is used, allows attackers to perform a transition from Low Integrity to Medium Integrity via unspecified vectors.
https://security.gentoo.org/glsa/201506-01
https://helpx.adobe.com/security/products/flash-player/apsb15-11.html