Microsoft IME (Japanese) Elevation of Privilege Vulnerability

An elevation of privilege vulnerability exists in Microsoft IME for Japanese that is caused when a vulnerable sandboxed application uses Microsoft IME (Japanese). Microsoft received information about this vulnerability through coordinated vulnerability disclosure. When this security bulletin was issued, Microsoft was aware of limited attacks that attempt to exploit this vulnerability. The update addresses the vulnerability by correcting how the Microsoft IME (Japanese) component loads dictionary files that are associated with this vulnerability.