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Microsoft Security Bulletin MS12-051 - Important
Vulnerability in Microsoft Office for Mac Could Allow Elevation of Privilege (2721015)

Published: Tuesday, July 10, 2012

Version: 1.0
General Information
Executive Summary

This security update resolves one publicly disclosed vulnerability in Microsoft Office for Mac. The vulnerability could allow elevation of privilege if a malicious executable is placed on an affected system by an attacker, and then another user logs on later and runs the malicious executable. An attacker must have valid logon credentials and be able to log on locally to exploit this vulnerability.

This security update is rated Important for Microsoft Office for Mac 2011. For more information, see the subsection, Affected and Non-Affected Software, in this section.

The security update addresses the vulnerabilities by correcting the permission settings on the Microsoft Office 2011 folder and other affected folders. For more information about the vulnerabilities, see the Frequently Asked Questions (FAQ) subsection for the specific vulnerability entry under the next section, Vulnerability Information.

Recommendation. Microsoft recommends that customers apply the update at the earliest opportunity.

See also the section, Detection and Deployment Tools and Guidance, later in this bulletin.

Known Issues. None
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Affected and Non-Affected Software

The following software have been tested to determine which versions or editions are affected. Other versions or editions are either past their support life cycle or are not affected. To determine the support life cycle for your software version or edition, visit Microsoft Support Lifecycle.

Microsoft Office
Microsoft Office Software	Maximum Security Impact	Aggregate Severity Rating	Updates Replaced
Microsoft Office for Mac
Microsoft Office for Mac 2011
(KB2721015)	Elevation of Privilege	Important	KB2665351 in MS12-030 replaced by KB2721015

Non-Affected Software 
Office and Other Software
Microsoft Office 2008 for Mac
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Frequently Asked Questions (FAQ) Related to This Security Update
Vulnerability Information
Severity Ratings and Vulnerability Identifiers
Office for Mac Improper Folder Permissions Vulnerability - CVE-2012-1894
Update Information
Detection and Deployment Tools and Guidance
Security Update Deployment
Other Information
Microsoft Active Protections Program (MAPP)

To improve security protections for customers, Microsoft provides vulnerability information to major security software providers in advance of each monthly security update release. Security software providers can then use this vulnerability information to provide updated protections to customers via their security software or devices, such as antivirus, network-based intrusion detection systems, or host-based intrusion prevention systems. To determine whether active protections are available from security software providers, please visit the active protections websites provided by program partners, listed in Microsoft Active Protections Program (MAPP) Partners.
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Support

How to obtain help and support for this security update

    Help installing updates: Support for Microsoft Update
    Security solutions for IT professionals: TechNet Security Troubleshooting and Support
    Help protect your computer that is running Windows from viruses and malware: Virus Solution and Security Center
    Local support according to your country: International Support

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Disclaimer

The information provided in the Microsoft Knowledge Base is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
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Revisions

    V1.0 (July 10, 2012): Bulletin published.