This indicates an attack attempt to exploit a Privilege Escalation vulnerability in Adobe Flash Player.
The vulnerability is due to insufficient checks of permission when handling a malicious swf file. A remote attack may be able to exploit this to escalate their privileges on a local system.
Adobe Flash Player before 10.3.183.43 and 11.x before 11.5.502.110 on Windows and Mac OS X,
before 10.3.183.43 and 11.x before 18.104.22.168 on Linux,
before 22.214.171.124 on Android 2.x and 3.x, and before 126.96.36.199 on Android 4.x,
Adobe AIR before 188.8.131.520; and Adobe AIR SDK before 184.108.40.2060
Privilege Escalation: Remote attackers can leverage their privilege on the vulnerable systems.
Apply the most recent upgrade or patch from the vendor.