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                    National Cyber Alert System

              Technical Cyber Security Alert TA10-103A


Microsoft Updates for Multiple Vulnerabilities

   Original release date: April 13, 2010
   Last revised: --
   Source: US-CERT


Systems Affected

     * Microsoft Windows
     * Microsoft Office
     * Microsoft Exchange


Overview

   Microsoft has released updates to address vulnerabilities in
   Microsoft Windows, Microsoft Office, and Microsoft Exchange.


I. Description

   Microsoft has released security bulletins for multiple
   vulnerabilities in Microsoft Windows, Microsoft Windows Media
   Server on Windows 2000 Server, Microsoft Office Publisher,
   Microsoft Office Visio, and Microsoft Exchange. These bulletins are
   described in the Microsoft Security Bulletin Summary for April
   2010.


II. Impact

   A remote, unauthenticated attacker could execute arbitrary code,
   cause a vulnerable application to crash, or spoof IPv4 addresses.


III. Solution

   Apply updates from Microsoft

   Microsoft has provided updates for these vulnerabilities in the
   Microsoft Security Bulletin Summary for April 2010. The security
   bulletin describes any known issues related to the updates.
   Administrators are encouraged to note these issues and test for any
   potentially adverse effects. Administrators should consider using
   an automated update distribution system such as Windows Server
   Update Services (WSUS).


IV. References

 * Microsoft Security Bulletin Summary for April 2010 -
   <http://www.microsoft.com/technet/security/bulletin/ms10-apr.mspx>

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   The most recent version of this document can be found at:

     <http://www.us-cert.gov/cas/techalerts/TA10-103A.html>
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   Feedback can be directed to US-CERT Technical Staff. Please send
   email to <cert@cert.org> with "TA10-103A Feedback VU#570980" in
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   Produced 2010 by US-CERT, a government organization.

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Revision History

  April 13, 2010: Initial release


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