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Microsoft Security Bulletin Summary for March 2013

by Carol~ Forum moderator / March 12, 2013 3:38 AM PDT
Microsoft Security Bulletin Summary for March 2013

Published : March 12, 2013

Microsoft released 7 new security updates today, as part of their routine monthly security update cycle. As indicated below, Four (4) are identified as Critical and Three (3) as Important. They address 20 vulnerabilities in Microsoft Windows, Office, Internet Explorer, Server Tools, and Silverlight.

Microsoft also released an updated version of the Microsoft Windows Malicious Software Removal Tool on Windows Update, Microsoft Update, Windows Server Update Services, and the Download Center.

Critical: 4

MS13-021 - Cumulative Security Update for Internet Explorer (2809289)
MS13-022 - Vulnerability in Silverlight Could Allow Remote Code Execution (2814124)
MS13-023 - Vulnerability in Microsoft Visio Viewer 2010 Could Allow Remote Code Execution (2801261)
MS13-024 - Vulnerabilities in SharePoint Could Allow Elevation of Privilege (2780176)

Important: 3

MS13-025 - Vulnerability in Microsoft OneNote Could Allow Information Disclosure (2816264)
MS13-026 - Vulnerability in Office Outlook for Mac Could Allow Information Disclosure (2813682)
MS13-027 - Vulnerabilities in Kernel-Mode Drivers Could Allow Elevation Of Privilege (2807986)

Security Bulletin : http://technet.microsoft.com/en-us/security/bulletin/ms13-mar

* * * * * * * * * * * * * * * * * * * * * * * *

For those who need to prioritize deployment, Microsoft recommends focusing on MS13-021, MS13-022 and MS13-027 first:

MS13-021 (Microsoft Internet Explorer)

This security update resolves nine issues in Internet Explorer. The most severe vulnerabilities could allow remote code execution if a user views a specially crafted webpage using Internet Explorer. An attacker who successfully exploited these vulnerabilities could gain the same rights as the current owner. All but one of these issues were privately disclosed and we have not detected any attacks or customer impact for any of the issues.

MS13-022 (Microsoft Silverlight)

This security update resolves an issue Microsoft Silverlight. The vulnerability could allow remote code execution if an attacker hosts a website that contains a specially crafted Silverlight application that could exploit this vulnerability and then convinces a user to view the website. This issue was privately reported and we have not detected any attacks or customer impact.

MS13-027 (Kernel Mode Drivers)

This security update resolves three issue in Microsoft Windows. These vulnerabilities could allow elevation of privilege if an attacker gains access to a system. In a default configuration, an unauthenticated attacker could only exploit this vulnerability if they have physical access to the system. Again, these issues were privately reported and we have not detected any attacks or customer impact.

See:
Evolving Response and the March 2013 Bulletin Release
Windows Store App Security Updates
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