This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Windows. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of the On-Screen Keyboard. The issue lies in the ability to send input to the On-Screen Keyboard from a low integrity process. An attacker can leverage this vulnerability to elevate privileges and execute code under the context of the On-Screen Keyboard process.