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         National Cyber Alert System

   Technical Cyber Security Alert TA08-099A


Microsoft Updates for Multiple Vulnerabilities

   Original release date: April 8, 2008
   Last revised: --
   Source: US-CERT


Systems Affected

     * Microsoft Windows
     * Microsoft Internet Explorer
     * Microsoft Office


Overview

   Microsoft   has  released  updates  that  address  vulnerabilities  in
   Microsoft Windows, Internet Explorer, and Office.


I. Description

   Microsoft  has released updates to address vulnerabilities that affect
   Microsoft  Windows,  Internet  Explorer,  and  Office  as  part of the
   Microsoft  Security  Bulletin  Summary for April 2008. The most severe
   vulnerabilities  could  allow  a  remote,  unauthenticated attacker to
   execute   arbitrary  code.  For  more  information,  see  the  US-CERT
   Vulnerability Notes Database.


II. Impact

   A  remote, unauthenticated attacker could execute arbitrary code, gain
   elevated privileges, or cause a denial of service.


III. Solution

Apply updates from Microsoft

   Microsoft  has provided updates for these vulnerabilities in the April
   2008  security  bulletin.  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

     * US-CERT  Vulnerability  Notes  for  Microsoft April 2008 updates -
       <http://www.kb.cert.org/vuls/byid?searchview&query=ms08-apr>

     * Microsoft   Security   Bulletin   Summary   for   April   2008   -
       <http://www.microsoft.com/technet/security/bulletin/ms08-apr.mspx>

     * Microsoft Update -
       <https://www.update.microsoft.com/microsoftupdate/>

     * Windows Server Update Services -
       <http://www.microsoft.com/windowsserversystem/updateservices/default.mspx>

 ____________________________________________________________________

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

     <http://www.us-cert.gov/cas/techalerts/TA08-099A.html>
 ____________________________________________________________________

   Feedback can be directed to US-CERT Technical Staff. Please send
   email to <cert@cert.org> with "TA08-099A Feedback VU#155563" in the
   subject.
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   Produced 2008 by US-CERT, a government organization.

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     <http://www.us-cert.gov/legal.html>
 ____________________________________________________________________


   Revision History

   April 8, 2008: Initial release
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