Severity Rating: Critical
Revision Note: V2.3 (October 3, 2012): Corrected registry keys in the deployment tables for Microsoft .NET Framework 3.5 Service Pack 1 when installed on Windows XP and Microsoft .NET Framework 3.5 Service Pack 1 when installed on Windows Server 2003. This is an informational change only. There were no changes to the security update files or detection logic.
Summary: This security update resolves two privately reported vulnerabilities in the .NET Framework. The vulnerabilities could allow remote code execution on a client system if a user views a specially crafted webpage using a web browser that can run XAML Browser Applications (XBAPs). 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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