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                    National Cyber Alert System

              Technical Cyber Security Alert TA11-102A


Microsoft Updates for Multiple Vulnerabilities

   Original release date: April 12, 2011
   Last revised: --
   Source: US-CERT


Systems Affected

     * Microsoft Windows
     * Microsoft Office
     * Microsoft Internet Explorer
     * Microsoft Visual Studio


Overview

   There are multiple vulnerabilities in Microsoft Windows, Office,
   Internet Explorer, and Visual Studio. Microsoft has released
   updates to address these vulnerabilities.


I. Description

   The Microsoft Security Bulletin Summary for April 2011 describes
   multiple vulnerabilities in Microsoft Windows, Office, Internet
   Explorer, and Visual Studio. Microsoft has released updates to
   address the vulnerabilities.


II. Impact

   A remote, unauthenticated attacker could execute arbitrary code,
   cause a denial of service, or gain unauthorized access to your
   files or system.


III. Solution

   Apply updates

   Microsoft has provided updates for these vulnerabilities in the
   Microsoft Security Bulletin Summary for April 2011. That bulletin
   describes any known issues related to the updates. Administrators
   are encouraged to note these issues and test for any potentially
   adverse effects. In addition, administrators should consider using
   an automated update distribution system such as Windows Server
   Update Services (WSUS).


IV. References

 * Microsoft Security Bulletin Summary for April 2011 -
   <http://www.microsoft.com/technet/security/bulletin/ms11-apr.mspx>

 * Microsoft Windows Server Update Services -
   <http://technet.microsoft.com/en-us/wsus/default.aspx>

 ____________________________________________________________________

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

     <http://www.us-cert.gov/cas/techalerts/TA11-102A.html>
 ____________________________________________________________________

   Feedback can be directed to US-CERT Technical Staff. Please send
   email to <cert@cert.org> with "TA11-102A Feedback VU#629990" in
   the subject.
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   For instructions on subscribing to or unsubscribing from this
   mailing list, visit <http://www.us-cert.gov/cas/signup.html>.
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   Produced 2011 by US-CERT, a government organization.

   Terms of use:

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

Revision History

  April 12, 2011: Initial release


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