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                    National Cyber Alert System

              Technical Cyber Security Alert TA12-045A


Microsoft Updates for Multiple Vulnerabilities

   Original release date: February 14, 2012
   Last revised: --
   Source: US-CERT


Systems Affected

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


Overview

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


I. Description

   The Microsoft Security Bulletin Summary for February 2012 describes
   multiple vulnerabilities in Microsoft Windows. 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 February 2012, which
   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). Home users are encouraged to enable
   automatic updates.


IV. References

 * Microsoft Security Bulletin Summary for February 2012 -
   <https://technet.microsoft.com/en-us/security/bulletin/ms12-feb>

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

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

 * Microsoft Update Overview -
   <http://www.microsoft.com/security/updates/mu.aspx>

 * Turn Automatic Updating On or Off -
   <http://windows.microsoft.com/en-us/windows-vista/Turn-automatic-updating-on-or-off>

 ____________________________________________________________________

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

     <http://www.us-cert.gov/cas/techalerts/TA12-045A.html>
 ____________________________________________________________________

   Feedback can be directed to US-CERT Technical Staff. Please send
   email to <cert@cert.org> with "TA12-045A Feedback VU#752838" in
   the subject.
 ____________________________________________________________________

   For instructions on subscribing to or unsubscribing from this
   mailing list, visit <http://www.us-cert.gov/cas/signup.html>.
 ____________________________________________________________________

   Produced 2012 by US-CERT, a government organization.

   Terms of use:

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

Revision History

  February 14, 2012: Initial release


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