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Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (3057181)

Published: May 12, 2015 Updated: October 13, 2015

Version: 4.0

Executive Summary

This security update resolves vulnerabilities in Microsoft Office. The most severe of the vulnerabilities could allow remote code execution if a user opens a specially crafted Microsoft Office file. An attacker who successfully exploited the vulnerabilities could run arbitrary code in the context of the current user. Customers whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights.

This security update is rated Important****for all supported editions of the following software:

• Microsoft Office 2007
• Microsoft Office 2010, Microsoft Excel 2010, Microsoft PowerPoint 2010, Microsoft Word 2010
• Microsoft Office 2013, Microsoft Excel 2013, Microsoft PowerPoint 2013, Microsoft Word 2013
• Microsoft Office 2013 RT, Microsoft Excel 2013 RT, Microsoft PowerPoint 2013 RT, Microsoft Word 2013 RT
• Microsoft Office for Mac 2011, Microsoft Excel for Mac 2011, Microsoft PowerPoint for Mac 2011, Microsoft Word for Mac 2011
• Microsoft PowerPoint Viewer
• Word Automation Services on Microsoft SharePoint Server 2010, Excel Services on Microsoft SharePoint Server 2010
• Word Automation Services on Microsoft SharePoint Server 2013, Excel Services on Microsoft SharePoint Server 2013
• Microsoft Office Web Apps 2010, Microsoft Excel Web App 2010
• Microsoft Office Web Apps Server 2013
• Microsoft SharePoint Foundation 2010
• Microsoft SharePoint Server 2013

For more information, see the Affected Software section.

The security update addresses the vulnerabilities by correcting how Microsoft Office parses specially crafted files, by correcting how Office handles files in memory, and by helping to ensure that SharePoint Server properly sanitizes user input. For more information about the vulnerabilities, see the Vulnerability Information section.

For more information about this update, see Microsoft Knowledge Base Article 3057181.

Affected Software

The following software versions or editions are affected. Versions or editions that are not listed are either past their support life cycle or are not affected. To determine the support life cycle for your software version or edition, see Microsoft Support Lifecycle.

Microsoft Office Software

**Microsoft Office Suites Software**	**Component**	**Maximum Security Impact**	**Aggregate Severity Rating**	**Updates Replaced**
**Microsoft Office 2007**
[Microsoft Office 2007 Service Pack 3](https://www.microsoft.com/download/details.aspx?familyid=34bbb2bc-f3d9-4773-ba96-e0433c793398) (3085544)	Not applicable	Remote Code Execution	Important	3054888 in [MS15-081](http://go.microsoft.com/fwlink/?linkid=619678)
**Microsoft Office 2010**
[Microsoft Office 2010 Service Pack 2 (32-bit editions)](https://www.microsoft.com/download/details.aspx?familyid=201e765d-c772-43c2-8392-295c7e6df1c1) (3054841)	Not applicable	Remote Code Execution	Important	2965236 in [MS15-033](http://go.microsoft.com/fwlink/?linkid=532628)
[Microsoft Office 2010 Service Pack 2 (64-bit editions)](https://www.microsoft.com/download/details.aspx?familyid=b261afc6-fb0d-43e0-a0c8-75f896755341) (3054841)	Not applicable	Remote Code Execution	Important	2965236 in [MS15-033](http://go.microsoft.com/fwlink/?linkid=532628)
[Microsoft Office 2010 Service Pack 2 (32-bit editions)](https://www.microsoft.com/download/details.aspx?familyid=4172b7aa-ba38-425d-9c0c-8348edcf289e) (3054834)	Not applicable	Remote Code Execution	Important	2883100 in [MS15-022](http://go.microsoft.com/fwlink/?linkid=526461)
[Microsoft Office 2010 Service Pack 2 (64-bit editions)](https://www.microsoft.com/download/details.aspx?familyid=0318f542-c11c-4800-bbfb-c9546f40044a) (3054834)	Not applicable	Remote Code Execution	Important	2883100 in [MS15-022](http://go.microsoft.com/fwlink/?linkid=526461)
[Microsoft Office 2010 Service Pack 2 (32-bit editions)](https://www.microsoft.com/download/details.aspx?familyid=a2726ae6-9dbb-4eab-9228-363842715f4c) (3054848)	Not applicable	Remote Code Execution	Important	2889839 in [MS15-022](http://go.microsoft.com/fwlink/?linkid=526461)
[Microsoft Office 2010 Service Pack 2 (64-bit editions)](https://www.microsoft.com/download/details.aspx?familyid=13f15685-5bf3-43e2-8798-0eccf615e883) (3054848)	Not applicable	Remote Code Execution	Important	2889839 in [MS15-022](http://go.microsoft.com/fwlink/?linkid=526461)
Microsoft Office 2010 Service Pack 2 (32-bit editions)	[Microsoft Excel 2010 Service Pack 2 (32-bit editions)](https://www.microsoft.com/download/details.aspx?familyid=637a63ce-2de4-493d-9981-41dfc70df394) (3054845)	Remote Code Execution	Important	2956142 in [MS15-022](http://go.microsoft.com/fwlink/?linkid=526461)
Microsoft Office 2010 Service Pack 2 (64-bit editions)	[Microsoft Excel 2010 Service Pack 2 (64-bit editions)](https://www.microsoft.com/download/details.aspx?familyid=f5710221-ab38-4429-a032-a77a7d877b89) (3054845)	Remote Code Execution	Important	2956142 in [MS15-022](http://go.microsoft.com/fwlink/?linkid=526461)
Microsoft Office 2010 Service Pack 2 (32-bit editions)	[Microsoft PowerPoint 2010 Service Pack 2 (32-bit editions)](https://www.microsoft.com/download/details.aspx?familyid=8fa5dccf-acb9-4a5e-95df-ca6b01eb3bd4) (3054835)	Remote Code Execution	Important	None
Microsoft Office 2010 Service Pack 2 (64-bit editions)	[Microsoft PowerPoint 2010 Service Pack 2 (64-bit editions)](https://www.microsoft.com/download/details.aspx?familyid=2d78aa80-4ce7-4d14-9c37-577b9dcc7bee) (3054835)	Remote Code Execution	Important	None
Microsoft Office 2010 Service Pack 2 (32-bit editions)	[Microsoft Word 2010 Service Pack 2 (32-bit editions)](https://www.microsoft.com/download/details.aspx?familyid=d2651d50-013a-4bda-b831-44198e41e05b) (3054842)	Remote Code Execution	Important	2956139 in [MS15-022](http://go.microsoft.com/fwlink/?linkid=526461)
Microsoft Office 2010 Service Pack 2 (64-bit editions)	[Microsoft Word 2010 Service Pack 2 (64-bit editions)](https://www.microsoft.com/download/details.aspx?familyid=e3989e75-4670-45c7-b03b-d967b11b282a) (3054842)	Remote Code Execution	Important	2956139 in [MS15-022](http://go.microsoft.com/fwlink/?linkid=526461)
**Microsoft Office 2013**
[Microsoft Office 2013 Service Pack 1 (32-bit editions)](https://www.microsoft.com/download/details.aspx?familyid=b3ed0d57-b957-4431-80cd-0fefa9d6941c) (2975808)	Not applicable	Remote Code Execution	Important	2817623 in [MS13-085](http://go.microsoft.com/fwlink/?linkid=324026)
[Microsoft Office 2013 Service Pack 1 (64-bit editions)](https://www.microsoft.com/download/details.aspx?familyid=d4bd6169-a984-4466-a4d8-6d44481a58c4) (2975808)	Not applicable	Remote Code Execution	Important	2817623 in [MS13-085](http://go.microsoft.com/fwlink/?linkid=324026)
Microsoft Office 2013 Service Pack 1 (32-bit editions)	[Microsoft Excel 2013 Service Pack 1 (32-bit editions)](https://www.microsoft.com/download/details.aspx?familyid=10e9eb21-cc90-439c-8e28-dda28dde7fc5) (2986216)	Remote Code Execution	Important	2920753 in [MS15-012](http://go.microsoft.com/fwlink/?linkid=525537)
Microsoft Office 2013 Service Pack 1 (64-bit editions)	[Microsoft Excel 2013 Service Pack 1 (64-bit editions)](https://www.microsoft.com/download/details.aspx?familyid=237af4a6-5c62-4190-b76e-75a198d69aa4) (2986216)	Remote Code Execution	Important	2920753 in [MS15-012](http://go.microsoft.com/fwlink/?linkid=525537)
Microsoft Office 2013 Service Pack 1 (32-bit editions)	[Microsoft PowerPoint 2013 Service Pack 1 (32-bit editions)](https://www.microsoft.com/download/details.aspx?familyid=83053c4f-f9bd-4673-b323-0904d09f71d3) (2975816)	Remote Code Execution	Important	None
Microsoft Office 2013 Service Pack 1 (64-bit editions)	[Microsoft PowerPoint 2013 Service Pack 1 (64-bit editions)](https://www.microsoft.com/download/details.aspx?familyid=0c001c1d-612c-48fa-b2fe-92541105d425) (2975816)	Remote Code Execution	Important	None
Microsoft Office 2013 Service Pack 1 (32-bit editions)	[Microsoft Word 2013 Service Pack 1 (32-bit editions)](https://www.microsoft.com/download/details.aspx?familyid=180bcc1f-5ab0-4c77-87a4-a66579866a37) (2965307)	Remote Code Execution	Important	2965224 in [MS15-033](http://go.microsoft.com/fwlink/?linkid=532628)
Microsoft Office 2013 Service Pack 1 (64-bit editions)	[Microsoft Word 2013 Service Pack 1 (64-bit editions)](https://www.microsoft.com/download/details.aspx?familyid=cbc259c2-eb0a-4fe9-88cc-6273e4b8cad8) (2965307)	Remote Code Execution	Important	2965224 in [MS15-033](http://go.microsoft.com/fwlink/?linkid=532628)
**Microsoft Office 2013 RT**
Microsoft Office 2013 RT Service Pack 1 (2975808) [1]	Not applicable	Remote Code Execution	Important	2817623 in [MS13-085](http://go.microsoft.com/fwlink/?linkid=324026)
Microsoft Office 2013 RT Service Pack 1	Microsoft Excel 2013 RT Service Pack 1 (2986216) [1]	Remote Code Execution	Important	2920753 in [MS15-012](http://go.microsoft.com/fwlink/?linkid=525537)
Microsoft Office 2013 RT Service Pack 1	Microsoft PowerPoint 2013 RT Service Pack 1 (2975816) [1]	Remote Code Execution	Important	None
Microsoft Office 2013 RT Service Pack 1	Microsoft Word 2013 RT Service Pack 1 (2965307) [1]	Remote Code Execution	Important	2965224 in [MS15-033](http://go.microsoft.com/fwlink/?linkid=532628)
**Microsoft Office for Mac**
[Microsoft Office for Mac 2011](https://www.microsoft.com/download/details.aspx?familyid=a0c60ec7-17b5-4e6f-9b99-74eefc39aef9) (3048688)	Not applicable	Remote Code Execution	Important	3051737 in [MS15-033](http://go.microsoft.com/fwlink/?linkid=532628) and 3062536, formerly provided in this bulletin.
Microsoft Office for Mac 2011	[Microsoft Excel for Mac 2011](https://www.microsoft.com/download/details.aspx?familyid=a0c60ec7-17b5-4e6f-9b99-74eefc39aef9) (3048688)	Remote Code Execution	Important	3051737 in [MS15-033](http://go.microsoft.com/fwlink/?linkid=532628) and 3062536, formerly provided in this bulletin.
Microsoft Office for Mac 2011	[Microsoft PowerPoint for Mac 2011](https://www.microsoft.com/download/details.aspx?familyid=a0c60ec7-17b5-4e6f-9b99-74eefc39aef9) (3048688)	Remote Code Execution	Important	3051737 in [MS15-033](http://go.microsoft.com/fwlink/?linkid=532628) and 3062536, formerly provided in this bulletin.
Microsoft Office for Mac 2011	[Microsoft Word for Mac 2011](https://www.microsoft.com/download/details.aspx?familyid=a0c60ec7-17b5-4e6f-9b99-74eefc39aef9) (3048688)	Remote Code Execution	Important	3051737 in [MS15-033](http://go.microsoft.com/fwlink/?linkid=532628) and 3062536, formerly provided in this bulletin.
**Other Office Software**
[Microsoft PowerPoint Viewer](https://www.microsoft.com/download/details.aspx?familyid=b49c075d-469d-4c63-a45c-4929affd5ec5) (3054840)	Not applicable	Remote Code Execution	Important	None

^[1]This update is available via [Windows Update](http://go.microsoft.com/fwlink/?linkid=21130).

Microsoft Office Services and Web Apps

**Microsoft Office Services and Web Apps**	**Component**	**Maximum Security Impact**	**Aggregate Severity Rating**	**Updates Replaced**
**Microsoft SharePoint Server 2010**
Microsoft SharePoint Server 2010 Service Pack 2	[Word Automation Services](https://www.microsoft.com/download/details.aspx?familyid=1dedb80e-c8ba-444f-9261-308180d42eef) (3054833)	Remote Code Execution	Important	2956136 in [MS15-022](http://go.microsoft.com/fwlink/?linkid=526461)
Microsoft SharePoint Server 2010 Service Pack 2	[Excel Services](https://www.microsoft.com/download/details.aspx?familyid=fa991443-5b75-4ca8-bb0b-bb1591c7e4b4) (3054839)	Remote Code Execution	Important	2826029 in [MS13-084](http://go.microsoft.com/fwlink/?linkid=519131)
**Microsoft SharePoint Server 2013**
Microsoft SharePoint Server 2013 Service Pack 1	[Word Automation Services](https://www.microsoft.com/download/details.aspx?familyid=cdea85ef-ecde-47f6-be9b-2ac2d61ce674) (3023055)	Remote Code Execution	Important	2965215 in [MS15-033](http://go.microsoft.com/fwlink/?linkid=532628)
Microsoft SharePoint Server 2013 Service Pack 1	[Excel Services](https://www.microsoft.com/download/details.aspx?familyid=3f34508a-caa8-44ee-99b6-ad2a352e5e35) (3039725)	Remote Code Execution	Important	2956143 in [MS15-022](http://go.microsoft.com/fwlink/?linkid=526461)
**Microsoft Office Web Apps 2010**
[Microsoft Office Web Apps 2010 Service Pack 2](https://www.microsoft.com/download/details.aspx?familyid=e72b5704-3955-40a0-9796-65a3496b4ced) (3054843)	Not applicable	Remote Code Execution	Important	2956070 in [MS15-012](http://go.microsoft.com/fwlink/?linkid=525537)
Microsoft Office Web Apps 2010 Service Pack 2	[Microsoft Excel Web Apps 2010 Service Pack 2](https://www.microsoft.com/download/details.aspx?familyid=d9bebdfe-2268-46dc-83e2-f022dd54ae2a) (3054838)	Remote Code Execution	Important	2826028 in [MS13-084](http://go.microsoft.com/fwlink/?linkid=324028)
**Microsoft Office Web Apps 2013**
[Microsoft Office Web Apps Server 2013 Service Pack 1](https://www.microsoft.com/download/details.aspx?familyid=a06de552-f236-4c54-a3a3-4a3680145cf3)[2](3039748)	Not applicable	Remote Code Execution	Important	2965306 in [MS15-033](http://go.microsoft.com/fwlink/?linkid=532628)

^[2] Office Web Apps Server cannot be updated via automatic updating. For recommended instructions on how to apply updates to Office Web Apps Server, see [Apply software updates to Office Web Apps Server](https://technet.microsoft.com/library/jj966220).

Microsoft Server Software

Microsoft Office For Mac Editions Pro

**Microsoft Office Services and Web Apps**	**Component**	**Maximum Security Impact**	**Aggregate Severity Rating**	**Updates Replaced**
**Microsoft SharePoint Server 2010**
Microsoft SharePoint Server 2010 Service Pack 2	[Microsoft SharePoint Foundation 2010 Service Pack 2](https://www.microsoft.com/download/details.aspx?familyid=f2aa6919-d723-474c-a571-6520e360e001) (3054847)	Remote Code Execution	Important	2956208 in [MS15-022](http://go.microsoft.com/fwlink/?linkid=526461)
**Microsoft SharePoint Server 2013**
[Microsoft SharePoint Server 2013 Service Pack 1](https://www.microsoft.com/download/details.aspx?familyid=56f42fc2-a31e-4a77-9d39-040b4974c32c) (3039736)	Not applicable	Remote Code Execution	Important	2760561 in [MS13-084](http://go.microsoft.com/fwlink/?linkid=519131)

Update FAQ

Why are some of the update files listed in this bulletin also denoted in other bulletins being released in May?
Several of the update files listed in this bulletin are also denoted in other bulletins being released in May due to overlaps in affected software. Although the different bulletins address separate security vulnerabilities, the security updates have been consolidated where possible and appropriate. Therefore some identical update files are present in multiple bulletins.

Note that identical update files being released with multiple bulletins do not need to be installed more than once.

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Does this update contain any additional security-related changes to functionality?
Yes. In addition to the changes that are listed for the vulnerabilities described in this bulletin, this update includes defense-in-depth updates to help make Microsoft Office more secure.

I have Microsoft Word 2010 installed. Why am I not being offered the 3054841update?
The 3054841update only applies to systems running specific configurations of Microsoft Office 2010. Some configurations will not be offered the update.

There are multiple update packages available for some of the affected software. Do I need to install all the updates listed in the Affected Software table for the software?
Yes. Customers should apply all updates offered for the software installed on their systems.

I am being offered this update for software that is not specifically listed in the Affected Software table. Why am I being offered this update?
When updates address vulnerable code that exists in a component that is shared between multiple Microsoft Office products or shared between multiple versions of the same Microsoft Office product, the update is considered to be applicable to all supported products and versions that contain the vulnerable component.

For example, when an update applies to Microsoft Office 2007 products, only Microsoft Office 2007 may be specifically listed in the Affected Software table. However, the update could apply to Microsoft Word 2007, Microsoft Excel 2007, Microsoft Visio 2007, Microsoft Compatibility Pack, Microsoft Excel Viewer, or any other Microsoft Office 2007 product that is not specifically listed in the Affected Software table.

For example, when an update applies to Microsoft Office 2010 products, only Microsoft Office 2010 may be specifically listed in the Affected Software table. However, the update could apply to Microsoft Word 2010, Microsoft Excel 2010, Microsoft Visio 2010, Microsoft Visio Viewer, or any other Microsoft Office 2010 product that is not specifically listed in the Affected Software table.

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For example, when an update applies to Microsoft Office 2013 products, only Microsoft Office 2013 may be specifically listed in the Affected Software table. However, the update could apply to Microsoft Word 2013, Microsoft Excel 2013, Microsoft Visio 2013, or any other Microsoft Office 2013 product that is not specifically listed in the Affected Software table.

Severity Ratings and Vulnerability Identifiers

The following severity ratings assume the potential maximum impact of the vulnerability. For information regarding the likelihood, within 30 days of this security bulletin's release, of the exploitability of the vulnerability in relation to its severity rating and security impact, please see the Exploitability Index in the May bulletin summary.

Microsoft Office Software

**Vulnerability Severity Rating and Maximum Security Impact by Affected Software**
**Affected Software**	[**Microsoft Office Memory Corruption Vulnerability – CVE-2015-1682**](http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2015-1682)	[**Microsoft Office Memory Corruption Vulnerability – CVE-2015-1683**](http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2015-1683)	**Aggregate Severity Rating**
**Microsoft Office 2007**
Microsoft Office 2007 Service Pack 3	Not applicable	**Important** Remote Code Execution (3085544)	**Important**
**Microsoft Office 2010**
Microsoft Office 2010 Service Pack 2 (32-bit editions)	**Important** Remote Code Execution (3054841)	Not applicable	**Important**
Microsoft Office 2010 Service Pack 2 (64-bit editions)	**Important** Remote Code Execution (3054841)	Not applicable	**Important**
Microsoft Office 2010 Service Pack 2 (32-bit editions)	**Important** Remote Code Execution (3054834)	Not applicable	**Important**
Microsoft Office 2010 Service Pack 2 (64-bit editions)	**Important** Remote Code Execution (3054834)	Not applicable	**Important**
Microsoft Office 2010 Service Pack 2 (32-bit editions)	**Important** Remote Code Execution (3054848)	Not applicable	**Important**
Microsoft Office 2010 Service Pack 2 (64-bit editions)	**Important** Remote Code Execution (3054848)	Not applicable	**Important**
Microsoft Excel 2010 Service Pack 2 (32-bit editions)	**Important** Remote Code Execution (3054845)	Not applicable	**Important**
Microsoft Excel 2010 Service Pack 2 (64-bit editions)	**Important** Remote Code Execution (3054845)	Not applicable	**Important**
Microsoft PowerPoint 2010 Service Pack 2 (32-bit editions)	**Important** Remote Code Execution (3054835)	Not applicable	**Important**
Microsoft PowerPoint 2010 Service Pack 2 (64-bit editions)	**Important** Remote Code Execution (3054835)	Not applicable	**Important**
Microsoft Word 2010 Service Pack 2 (32-bit editions)	**Important** Remote Code Execution (3054842)	Not applicable	**Important**
Microsoft Word 2010 Service Pack 2 (64-bit editions)	**Important** Remote Code Execution (3054842)	Not applicable	**Important**
**Microsoft Office 2013**
Microsoft Office 2013 Service Pack 1 (32-bit editions)	**Important** Remote Code Execution (2975808)	Not applicable	**Important**
Microsoft Office 2013 Service Pack 1 (64-bit editions)	**Important** Remote Code Execution (2975808)	Not applicable	**Important**
Microsoft Excel 2013 Service Pack 1 (32-bit editions)	**Important** Remote Code Execution (2986216)	Not applicable	**Important**
Microsoft Excel 2013 Service Pack 1 (64-bit editions)	**Important** Remote Code Execution (2986216)	Not applicable	**Important**
Microsoft PowerPoint 2013 Service Pack 1 (32-bit editions)	**Important** Remote Code Execution (2975816)	Not applicable	**Important**
Microsoft PowerPoint 2013 Service Pack 1 (64-bit editions)	**Important** Remote Code Execution (2975816)	Not applicable	**Important**
Microsoft Word 2013 Service Pack 1 (32-bit editions)	**Important** Remote Code Execution (2965307)	Not applicable	**Important**
Microsoft Word 2013 Service Pack 1 (64-bit editions)	**Important** Remote Code Execution (2965307)	Not applicable	**Important**
**Microsoft Office 2013 RT**
Microsoft Office 2013 RT Service Pack 1	**Important** Remote Code Execution (2975808)	Not applicable	**Important**
Microsoft Excel 2013 RT Service Pack 1	**Important** Remote Code Execution (2986216)	Not applicable	**Important**
Microsoft PowerPoint 2013 RT Service Pack 1	**Important** Remote Code Execution (2975816)	Not applicable	**Important**
Microsoft Word 2013 RT Service Pack 1	**Important** Remote Code Execution (2965307)	Not applicable	**Important**
**Microsoft Office for Mac**
Microsoft Office for Mac 2011	**Important** Remote Code Execution (3048688)	Not applicable	**Important**
Microsoft Excel for Mac 2011	**Important** Remote Code Execution (3048688)	Not applicable	**Important**
Microsoft PowerPoint for Mac 2011	**Important** Remote Code Execution (3048688)	Not applicable	**Important**
Microsoft Word for Mac 2011	**Important** Remote Code Execution (3048688)	Not applicable	**Important**
**Other Office Software**
Microsoft PowerPoint Viewer	**Important** Remote Code Execution (3054840)	Not applicable	**Important**

Microsoft Office Services and Web Apps

**Vulnerability Severity Rating and Maximum Security Impact by Affected Software**
**Affected Software**	[**Microsoft Office Memory Corruption Vulnerability – CVE-2015-1682**](http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2015-1682)	[**Microsoft Office Memory Corruption Vulnerability – CVE-2015-1683**](http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2015-1683)	**Aggregate Severity Rating**
**Microsoft SharePoint Server 2010**
Word Automation Services on Microsoft SharePoint Server 2010 Service Pack 2	**Important** Remote Code Execution (3054833)	Not applicable	**Important**
Excel Services on Microsoft SharePoint Server 2010 Service Pack 2	**Important** Remote Code Execution (3054839)	Not applicable	**Important**
**Microsoft SharePoint Server 2013**
Word Automation Services on Microsoft SharePoint Server 2013 Service Pack 1	**Important** Remote Code Execution (3023055)	Not applicable	**Important**
Excel Services on Microsoft SharePoint Server 2013 Service Pack 1	**Important** Remote Code Execution (3039725)	Not applicable	**Important**
**Microsoft Office Web Apps 2010**
Microsoft Office Web Apps 2010 Service Pack 2	**Important** Remote Code Execution (3054843)	Not applicable	**Important**
Microsoft Excel Web App 2010 Service Pack 2	**Important** Remote Code Execution (3054838)	Not applicable	**Important**
**Microsoft Office Web Apps 2013**
Microsoft Office Web Apps Server 2013 Service Pack 1	**Important** Remote Code Execution (3039748)	Not applicable	**Important**

Microsoft Server Software

**Vulnerability Severity Rating and Maximum Security Impact by Affected Software**
**Affected Software**	[**Microsoft Office Memory Corruption Vulnerability – CVE-2015-1682**](http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2015-1682)	[**Microsoft Office Memory Corruption Vulnerability – CVE-2015-1683**](http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2015-1683)	**Aggregate Severity Rating**
**Microsoft SharePoint Server 2010**
Microsoft SharePoint Foundation 2010 Service Pack 2	**Important** Remote Code Execution (3054847)	Not applicable	**Important**
**Microsoft SharePoint Server 2013**
Microsoft SharePoint Server 2013 Service Pack 1	**Important** Remote Code Execution (3039736)	Not applicable	**Important**

Vulnerability Information

Multiple Microsoft Office Memory Corruption Vulnerabilities

Remote code execution vulnerabilities exist in Microsoft Office software when the Office software fails to properly handle objects in memory.

Exploitation of these vulnerabilities requires that a user open a specially crafted file with an affected version of Microsoft Office software. In an email attack scenario an attacker could exploit the vulnerabilities by sending the specially crafted file to the user and convincing the user to open the file. In a web-based attack scenario an attacker could host a website (or leverage a compromised website that accepts or hosts user-provided content) that contains a specially crafted file that is designed to exploit the vulnerabilities. An attacker would have no way to force users to visit the website. Instead, an attacker would have to convince users to click a link, typically by way of an enticement in an email or Instant Messenger message.

Microsoft Office For Mac Editions 2

An attacker who successfully exploited these vulnerabilities could run arbitrary code in the context of the current user. If the current user is logged on with administrative user rights, an attacker could take complete control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.

The security update addresses the vulnerabilities by correcting how Microsoft Office parses specially crafted files.

Microsoft received information about the vulnerabilities through coordinated vulnerability disclosure. When this security bulletin was issued, Microsoft had not received any information to indicate that these vulnerabilities had been publicly used to attack customers.

The following tables contain links to the standard entry for each vulnerability in the Common Vulnerabilities and Exposures list:

Vulnerability title	CVE number	Publicly Disclosed	Exploited
Microsoft Office Memory Corruption Vulnerability	CVE-2015-1682	No	No
Microsoft Office Memory Corruption Vulnerability	CVE-2015-1683	No	No

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### Mitigating Factors Microsoft has not identified any [mitigating factors](https://technet.microsoft.com/library/security/dn848375.aspx) for these vulnerabilities. ### Workarounds Microsoft has not identified any [workarounds](https://technet.microsoft.com/library/security/dn848375.aspx) for these vulnerabilities. Security Update Deployment -------------------------- For Security Update Deployment information, see the Microsoft Knowledge Base article referenced in the Executive Summary. Acknowledgments --------------- Microsoft recognizes the efforts of those in the security community who help us protect customers through coordinated vulnerability disclosure. See [Acknowledgments](https://technet.microsoft.com/library/security/dn903755.aspx) for more information. 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. Revisions --------- - V1.0 (May 12, 2015): Bulletin published. - V2.0 (May 19, 2015): Bulletin revised to announce the release of the Microsoft Office for Mac 14.5.1 update. The release addresses a potential issue with Microsoft Outlook for Mac when customers install the Microsoft Office for Mac 14.5.0 update. Customers who have not already installed the 14.5.0 update should install the 14.5.1 update to be fully protected from this vulnerability. To avoid the possibility of future issues with Microsoft Outlook for Mac, Microsoft recommends that customers running Office for Mac software who have already successfully installed the 14.5.0 update also apply the 14.5.1 update even though they are already protected from this vulnerability. Customers running other Microsoft Office software do not need to take any action. See [Microsoft Knowledge Base Article 3048688](https://support.microsoft.com/kb/3048688) for more information. - V3.0 (June 9, 2015): To address issues with the security updates for all affected Microsoft Office 2010 software, Microsoft re-released MS15-046 to comprehensively address CVE-2015-1682. Microsoft recommends that customers running affected Office 2010 software should install the security updates released with this bulletin revision to be fully protected from this vulnerability. Customers running other Microsoft Office software do not need to take any action. See [Microsoft Knowledge Base Article 3057181](https://support.microsoft.com/kb/3057181) for more information and download links. - V4.0 (October 13, 2015): Revised bulletin to announce the availability of a new update (3085544) for Microsoft Office 2007 that addresses issues with the previously-released update (2965282). Customers running Microsoft Office 2007 are encouraged to install update 3085544 at the earliest opportunity to be fully protected from the vulnerability discussed in this bulletin. Customers running other Microsoft Office software do not need to take any action. See [Microsoft Knowledge Base Article 3085544](https://support.microsoft.com/kb/3085544) for more information and download links. *Page generated 2015-10-06 15:28-07:00.*