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January 2011 Security Bulletin release on TechNET EDGE

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Today as part of our monthly security bulletin release we have two bulletins addressing three vulnerabilities in Microsoft Windows and Windows Server. This first bulletin is rated Important, while the second is rated Critical. You can find more information by watching the screen cast on TechNet EDGE.

  • MS11-001. This bulletin resolves one reported issue rated Important and affecting Windows Vista. This security bulletin addresses a vulnerability in Windows Backup Manager. This has an Exploitability Index rating of 1, and gets a 2 on our deployment priority list.
  • MS11-002. This bulletin addresses two vulnerabilities affecting all supported versions of Windows. The first vulnerability is rated Critical for Windows XP, Vista and Windows 7 and the second rated Important for all supported versions of Windows Server. It involves the Microsoft Data Access Components (MDAC). This has an Exploitability Index rating of 1, and because there is a web based attack vector, this is at the top of our deployment priority list.

We are not aware of Proof of Concept code or of any active attacks seeking to exploit the vulnerabilities addressed in this month's release.