Updates:

Windows update
Microsoft Download center
Automatic Updates

Service packs :

Bulletins :

• MS11-100 - Critical : Vulnerabilities in .NET Framework Could Allow Elevation of Privilege (2638420) - 1.3
• MS11-098 - Important: : Vulnerability in Windows Kernel Could Allow Elevation of Privilege (2633171) - 1.1
• MS12-004 - Critical : Vulnerabilities in Windows Media Could Allow Remote Code Execution (2636391) - 1.2
• Summary for January 2012 - Version: 2.1 -
• MS11-025 - Important: : Vulnerability in Microsoft Foundation Class (MFC) Library Could Allow Remote Code Execution (2500212) - 4.2


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