MS08-053 ? Critical: Vulnerability in Windows Media Encoder 9 Could Allow Remote Code Execution (954156) - Version:2.0

Severity Rating: Critical - Revision Note: V2.0 (September 15, 2008): Added entry to the Frequently Asked Questions (FAQ) Related to This Security Update section to communicate the re-release of the Norwegian language update for Windows Media Encoder 9 Series running on Microsoft Windows 2000 Service Pack 4, Windows Media Encoder 9 Series running on Windows XP Service Pack 2 and Windows XP Service Pack 3, and Windows Media Encoder 9 Series running on Windows Server 2003 Service Pack 1 and Windows Server 2003 Service Pack 2. Customers who require the Norwegian language updates need to download and install the re-released updates.Summary: This security update resolves a privately reported vulnerability in Windows Media Encoder 9 Series. The vulnerability could allow remote code execution if a user viewed a specially crafted Web page. 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.

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