An elevation of privilege vulnerability exists in the way that the iphlpsvc.dll handles file creation allowing for a file overwrite. An attacker who successfully exploited the vulnerability could execute code with elevated permissions. To exploit the vulnerability, a locally authenticated attacker could run a specially crafted application. The security update addresses the vulnerability by ensuring the iphlpsvc.dll properly handles this type of functionality.
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– Scott Cheney, Manager of Information Security, Sierra View Medical Center