MS05-012: Vulnerability in OLE and COM could allow remote code execution

Microsoft has released security bulletin MS05-012. The security bulletin contains all the relevant information about the security update, including file manifest information and deployment options. To view the complete security bulletin, visit the following Microsoft Web sites:

• Consumer:
  http://www.microsoft.com/protect/computer/updates/bulletins/default.mspx
• IT Professional:
  http://www.microsoft.com/technet/security/bulletin/ms05-012.mspx

Known issues

• 894194 An application that implements the IMallocSpy debugging interface may experience heap corruption after you install security update 873333
  
  
  
  
  Note Because of OLE32.dll registration, you must stop the Information Store service if you are running an Exchange Server computer. If you do not do this, you may receive a "503 Service unavailable" error message when you access OWA. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
  
  
  823159 How to troubleshoot the "503 Service Unavailable" error message in Outlook Web Access in Exchange Server 2003
  
  
• After you install security update MS05-012, DBCS attachment file names are not displayed in Rich Text e-mail messages and you may receive a "Generic Host Process" error message. For more information about this issue, click the following article number to view the article in the Microsoft Knowledge Base:
  
  
  894391 You receive a "Generic Host Process" error message after you start the computer, or DBCS attachment file names are not displayed in Rich Text e-mail messages