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                    National Cyber Alert System

              Technical Cyber Security Alert TA10-222A


Microsoft Updates for Multiple Vulnerabilities

   Original release date: August 10, 2010
   Last revised: --
   Source: US-CERT


Systems Affected

     * Microsoft Windows
     * Microsoft Office
     * Internet Explorer
     * Microsoft .NET Framework
     * Microsoft Silverlight


Overview

   Microsoft has released updates to address vulnerabilities in
   Microsoft Windows, Microsoft Office, Internet Explorer, Microsoft
   .NET Framework, and Microsoft Silverlight.


I. Description

   The Microsoft Security Bulletin Summary for August 2010 describes
   multiple vulnerabilities in Microsoft Windows, Microsoft Office,
   Internet Explorer, Microsoft .NET framework, and Microsoft
   Silverlight. Microsoft has released updates to address the
   vulnerabilities.

   One of the bulletins released, MS10-046, addresses a previously
   identified vulnerability in the Windows Shell that is actively
   being exploited.  This vulnerability was also described in US-CERT
   Vulnerability Note VU#940193.


II. Impact

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


III. Solution

   Apply updates

   Microsoft has provided updates for these vulnerabilities in the
   Microsoft Security Bulletin Summary for August 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 August 2010 -
   <http://www.microsoft.com/technet/security/bulletin/ms10-aug.mspx>

 * Microsoft Security Bulletin MS10-046 -
   <http://www.microsoft.com/technet/security/bulletin/MS10-046.mspx>

 * US-CERT Vulnerability Note VU#940193 -
   <http://www.kb.cert.org/vuls/id/940193>

 * 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/TA10-222A.html>
 ____________________________________________________________________

   Feedback can be directed to US-CERT Technical Staff. Please send
   email to <cert@cert.org> with "TA10-222A Feedback VU#505527" in
   the subject.
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   For instructions on subscribing to or unsubscribing from this
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   Produced 2010 by US-CERT, a government organization.

   Terms of use:

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

Revision History

  August 10, 2010: Initial release


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