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Security Update para Vulnerabilidade no Windows Server 2008 Hyper-V que pode permitir ataque de Denial of Service

Vulnerability in Windows Server 2008 Hyper-V Could Allow Denial of Service

 
The vulnerability could allow denial of service if a malformed sequence of machine instructions is run by an authenticated user in one of the guest virtual machines hosted by the Hyper-V server. An attacker must have valid logon credentials and be able to log on locally into a guest virtual machine to exploit this vulnerability. The vulnerability could not be exploited remotely or by anonymous users.
 
This security update is rated Important for all supported x64-based editions of Windows Server 2008 and Windows Server 2008 R2.

Security updates are available from Microsoft Update and Windows Update. Security updates are also available from the Microsoft Download Center. You can find them most easily by doing a keyword search for "security update."

Recommendation. The majority of customers have automatic updating enabled and will not need to take any action because this security update will be downloaded and installed automatically. Customers who have not enabled automatic updating need to check for updates and install this update manually. For information about specific configuration options in automatic updating, see Microsoft Knowledge Base Article 294871.
 
Important : *Server Core installation affected.
 
Downloads :

Windows Server 2008 (all editions)  : Download here
Installing without user intervention :
Windows6.0-KB977894-x64 /quiet

Windows Server 2008 R2Download here
Installing without user intervention :
Windows6.1-KB977894-x64 /quiet

 

You must restart your system after you apply this security update.

 

 

 

Microsoft provides detection and deployment guidance for security updates. Microsoft Baseline Security Analyzer (MBSA) allows administrators to scan local and remote systems for missing security updates as well as common security misconfigurations.
The latest version of MBSA has been released:
Microsoft Baseline Security Analyzer 2.1.1. For more information, see Microsoft Baseline Security Analyzer 2.1.

 

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