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National Cyber Awareness System
TA13-100A: Microsoft Updates for Multiple Vulnerabilities


Original release date: April 10, 2013

Systems Affected

 * Microsoft Windows
 * Microsoft Remote Desktop Client
 * Microsoft Antimalware Client
 * Microsoft Sharepoint

Overview

Select Microsoft software products contain multiple vulnerabilities.
Microsoft has released updates to address these vulnerabilities.

Description

The Microsoft Security Bulletin Summary for April 2013 describes
multiple vulnerabilities in Microsoft software. Microsoft has released
updates to address these vulnerabilities.

Impact

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

Solution

Apply Updates

Microsoft has provided updates for these vulnerabilities in the
Microsoft Security Bulletin Summary for April 2013, 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.

References

 * Microsoft Security Bulletin Summary for April 2013
 * Microsoft Windows Server Update Services
 * Microsoft Update
 * Microsoft Update Overview
 * Turn Automatic Updating On or Off

Revision History

 * Initial Release

Relevant URL(s):
<http://www.us-cert.gov/redirect?url=http%3A%2F%2Fwindows.microsoft.com%2Fen-us%2Fwindows-vista%2FTurn-automatic-updating-on-or-off>

<https://edit.us-cert.gov/redirect?url=http%3A%2F%2Fwindows.microsoft.com%2Fen-us%2Fwindows-vista%2FTurn-automatic-updating-on-or-off>

<http://www.us-cert.gov/redirect?url=http%3A%2F%2Fwindows.microsoft.com%2Fen-us%2Fwindows7%2FUpdating-your-computer>

<http://www.us-cert.gov/redirect?url=http%3A%2F%2Fwww.update.microsoft.com%2Fwindowsupdate%2Fv6%2Fthanks.aspx%3Fln%3Den%26amp%3Bamp%3B%26amp%3Bamp%3Bthankspage%3D5%26amp%3Bln%3Den%26amp%3Bthankspage%3D5%26ln%3Den%26amp%253B%3D%26amp%253Bthankspage%3D5%26thankspage%3D5>

<http://www.us-cert.gov/redirect?url=http%3A%2F%2Ftechnet.microsoft.com%2Fen-us%2Fwindowsserver%2Fbb332157.aspx>

<http://technet.microsoft.com/en-us/security/bulletin/ms13-apr>

<https://edit.us-cert.gov/redirect?url=http%3A%2F%2Ftechnet.microsoft.com%2Fen-us%2Fwsus%2Fdefault.aspx>

____________________________________________________________________

   Produced by US-CERT, a government organization.
____________________________________________________________________

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http://www.us-cert.gov/privacy/notification/

Privacy & Use policy: 
http://www.us-cert.gov/privacy/

This document can also be found at
http://www.us-cert.gov/ncas/alerts/TA13-100A

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