KLA11010
Remote code execution and elevation of privilege vulnerabilities in Microsoft Office

Multiple serious vulnerabilities have been found in Microsoft Office. Malicious users can exploit these vulnerabilities to execute arbitrary code and gain privileges.

Below is a complete list of vulnerabilities:

1. An improper handling of objects in memory in Microsoft Office can be exploited remotely via a specially designed Microsoft Office file sent by an email or hosted on a website to execute arbitrary code;
2. An improper sanitizing of requests in Microsoft Sharepoint Server can be exploited remotely via a specially designed request to gain privileges;
3. Multiple unknown vulnerabilities can be exploited remotely via a file containing a malformed graphics image, by inserting a specially designed graphics image into document, by sending a malformed file via email or by posting a specially designed file on the website to execute arbitrary code;
4. Multiple vulnerabilities related to an improper handling of objects in memory in Microsoft Office can be exploited remotely via a specially designed file sent by an email or hosted on a website to execute arbitrary code;

Technical details

To exploit all vulnerabilities, an attacker should convince a user to open a malicious file.

Microsoft Office 2007 Service Pack 3
Microsoft Office 2010 Service Pack 2
Microsoft Office 2013 Service Pack 1
Microsoft Office 2013 RT Service Pack 1
Microsoft Office 2016
Microsoft Office 2016 for Mac
Microsoft Office Enterprise Server 2016
Microsoft Word 2007 Service Pack 3
Microsoft Word 2010 Service Pack 2
Microsoft Word 2013 RT Service Pack 1
Microsoft Word 2013 Service Pack 1
Microsoft PowerPoint for Mac 2011
Microsoft Office Compatibility Pack Service Pack 3
Microsoft Office Word Viewer
Skype for Business 2016

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)