Microsoft Security Bulletin MS09-040 – Vulnerability in Message Queuing Could Allow Elevation of Privilege


A new patch came out yesterday for MSMQ:



MS09-040 Microsoft Security Bulletin MS09-040 – Important


971032 MS09-040: Vulnerability in Message Queuing could allow elevation of privilege


If you are already on the latest service pack then you will be OK for Windows XP and Windows Vista; Windows Server 2008 (R1 and R2) and Windows 7 are also unaffected.


The full list of operating systems at risk is:



  • Windows 2000

  • Windows 2003

  • Windows Vista (without service packs)

  • Windows XP (without service pack 3)

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