Microsoft Windows C Run-Time Library Buffer Overflow Vulnerability

A remote code execution vulnerability exists in the way that the msvcrt DLL calculates the size of a buffer in memory, allowing data to be copied into memory that has not been properly allocated. This vulnerability could allow remote code execution if a user opens a specially crafted media file. If a user is logged on with administrative user rights, an attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.