This indicates an attack attempt to exploit a remote Code Execution vulnerability in ACDSee.
The vulnerability is due to an error when the vulnerable software handles a maliciously crafted .bmp file. As a result, a remote attacker may be able to exploit this to execute arbitrary code within the context of the application, via a crafted .bmp file.
ACDSee version 9.0.108 and earlier versions
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply the most recent upgrade or patch from the vendor.