MS06-078: Vulnerability in Windows Media Format Could Allow Remote Code Execution (923689) - Version:4.0

Severity Rating: Critical - Revision Note: V4.0 (December 12, 2007): Bulletin updated to add Microsoft Windows XP Professional x64 Edition Service Pack 2 and Microsoft Windows Server 2003 x64 Edition Service Pack 2 to the "Affected Software" section for Microsoft Windows Media Player 6.4 (KB925398). No action is required on systems where the security update has been successfully installed.Summary: This update resolves two newly discovered vulnerabilities. These vulnerabilities are documented in the Vulnerability Details section of this bulletin. 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 affected than users who operate with administrative user rights.

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