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                    National Cyber Alert System

              Technical Cyber Security Alert TA11-221A


Microsoft Updates for Multiple Vulnerabilities

   Original release date: August 09, 2011
   Last revised: --
   Source: US-CERT


Systems Affected

     * Microsoft Windows
     * Microsoft Office
     * Internet Explorer
     * .NET Framework
     * Microsoft Developer Tools


Overview

   There are multiple vulnerabilities in Microsoft Windows, Microsoft
   Office, Internet Explorer, .NET Framework, and Microsoft Developer
   Tools. Microsoft has released updates to address these
   vulnerabilities.


I. Description

   The Microsoft Security Bulletin Summary for August 2011 describes
   multiple vulnerabilities in Microsoft Windows, Microsoft Office,
   Internet Explorer, .NET Framework, and Microsoft Developer Tools.
   Microsoft has released updates to address these 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 August 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 August 2011 -
   <http://www.microsoft.com/technet/security/bulletin/ms11-aug.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/TA11-221A.html>
 ____________________________________________________________________

   Feedback can be directed to US-CERT Technical Staff. Please send
   email to <cert@cert.org> with "TA11-221A Feedback VU#758515" 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

  August 09, 2011: Initial release


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