Voici la liste publiée par Microsoft des correctifs à appliquer si vous utilisez Hyper-V

950050 Description of the update for the release version of the Hyper-V technology for Windows Server 2008
http://support.microsoft.com/default.aspx?scid=kb;EN-US;950050
Date: 26-Jun-2008

956710 A Hyper-V update is available to increase the number of logical processors and virtual machines on a Windows Server 2008 x64-based computer
http://support.microsoft.com/default.aspx?scid=kb;EN-US;956710
Date: 23-Sept-2008
Binaries fixed: Hvax64.exe, Hvboot.sys, Hvix64.exe, and many others
Binaries version: 6.0.6001.22258

960578 The IRET and IRETD instructions do not support the Nested Task (NT) flag in protected mode in a Windows Server 2008 Hyper-V environment
http://support.microsoft.com/default.aspx?scid=kb;EN-US;960578
Date: 27-Nov-2008
Binaries fixed: Hvax64.exe, Hvboot.sys, Hvix64.exe
Binaries version: 6.0.6001.22319

954436 When you capture a screen shot on a computer that is running Windows Vista or Windows Server 2008, the screen freezes, and you have to restart the computer
http://support.microsoft.com/default.aspx?scid=kb;EN-US;954436
Date: 20-Jun-2008
Binaries fixed: Win32k.sys, *.mum
Binaries versions: 6.0.6000.20862 / 6.0.6001.22207

959962 An update is available for Windows Server 2008-based computers to address issues with backing up and restoring Hyper-V virtual machines
http://support.microsoft.com/default.aspx?scid=kb;EN-US;959962
Date: 13-Jan-2009
Binaries fixed: Vmms.exe, Vid.dll, Vmbuspipe.dll, Vmbusvdev.dll, Vmwpctrl.dll, Vmwpctrl.dll, and many others
Binaries version: 6.0.6001.22352

957967 Stop error message on a Windows Server 2008-based computer that has the Hyper-V role installed: "STOP 0x0000001A"
http://support.microsoft.com/default.aspx?scid=kb;EN-US;957967
Date: 20-Sep-2008
Binaries fixed: Vid.sys
Binaries version: 6.0.6001.22271

958124 A wmiprvse.exe process may leak memory when a WMI notification query is used heavily on a Windows Server 2008-based or Windows Vista-based computer
http://support.microsoft.com/default.aspx?scid=kb;EN-US;958124
Date: 04-Oct-2008
Binaries fixed: Ntevt.dll, Ntevt.mof (03-Oct-2008)
Binaries version: 6.0.6000.20929 / 6.0.6001.22280

954563 Memory corruption may occur with the Windows Management Instrumentation (WMI) service on a computer that is running Windows Server 2008 or Windows Vista Service Pack 1
http://support.microsoft.com/default.aspx?scid=kb;EN-US;954563
Date: 18-Jun-2008
Binaries fixed: Cimwin32.dll
Binaries version: 6.0.6001.22205

955805 Certain applications become very slow on a Windows Server 2008-based or Windows Vista SP1-based computer when a certificate with SIA extension is installed
http://support.microsoft.com/default.aspx?scid=kb;EN-US;955805
Date: 29-Aug-2008
Binaries fixed: Crypt32.dll
Binaries version: 6.0.6001.22254