Microsoft Office PowerPoint gdiplus ConvertToEmfPlus Untrusted Pointer Dereference Information Disclosure Vulnerability

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Microsoft Office PowerPoint. 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 ConvertToEmfPlus function in gdiplus. The issue results from the lack of proper validation of a user-supplied value prior to dereferencing it as a pointer. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process.