KLA10921 Multiple vulnerabilities in Microsoft Office

Multiple serious vulnerabilities have been found in Microsoft Office. Malicious users can exploit these vulnerabilities to execute arbitrary code, obtain sensitive information, cause denial of service, gain priveleges.

Below is a complete list of vulnerabilities:

1. Memory corruption vulnerability can be exploited remotely via a specially designed document to cause a denial of service or execute arbitrary code;
2. Information disclosure vulnerability can be exploited remotely via a specialy designed document to cause a denial of service or obtain sensitive information (from process memory);
3. Mishandling of click upon a specially designed cell can be exploited remotely to execute arbitrary code;
4. Mishandling or a registry check can be exploited remotely via specially designed embedded content of a document to execute arbitrary code;
5. Misparsing of file formats can be exploited remotely via a specially designed document to execute arbitrary code;
6. Vulnerability in Uniscribe can be exploited remotely via a specially designed site to execute arbitrary code;
7. Mishandling of library loading can be exploited by malicious local users via a specially designed application to gain privileges.

Original advisories

MS16-148

CVE-2016-7257

CVE-2016-7274

CVE-2016-7277

CVE-2016-7276

CVE-2016-7275

CVE-2016-7268

CVE-2016-7267

CVE-2016-7300

CVE-2016-7291

CVE-2016-7290

CVE-2016-7289

CVE-2016-7262

CVE-2016-7263

CVE-2016-7264

CVE-2016-7265

CVE-2016-7266

Exploitation

Public exploits exist for this vulnerability.

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Related products

Microsoft-Office-Compatibility-Pack-for-Word,-Excel,-and-PowerPoint-2007-File-Formats

Microsoft-Office-Professional-Plus-2010

Microsoft-Office

Microsoft-Excel

Microsoft-Word

Microsoft-Sharepoint-Server

CVE list

CVE-2016-7257 high

CVE-2016-7274 critical

CVE-2016-7277 critical

CVE-2016-7276 high

CVE-2016-7275 critical

CVE-2016-7268 high

CVE-2016-7267 high

CVE-2016-7300 critical

CVE-2016-7291 high

CVE-2016-7290 high

CVE-2016-7289 critical

CVE-2016-7262 critical

CVE-2016-7263 critical

CVE-2016-7264 high

CVE-2016-7265 high

CVE-2016-7266 critical

KB list

3118380

2889841

3128008

3127986

2883033

3128022

3128023

3128026

3128035

3128032

3198800

3128024

3128043

3128044

3128016

3127995

3128019

3127892

3128020

3128029

3198808

3114395

3128037

3127968

3128025

3128034

Solution

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

Impacts

• ACE

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

• OSI

Obtain sensitive information. Exploitation of vulnerabilities with this impact can lead to capturing by abuser information, critical for user or system.

• DoS

Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.

• SB

Security bypass. Exploitation of vulnerabilities with this impact can lead to performing actions restricted by current security settings.

• PE

Privilege escalation. Exploitation of vulnerabilities with this impact can lead to performing by abuser actions, which are normally disallowed for current role.

• SUI

Spoof user interface. Exploitation of vulnerabilities with this impact can lead to changes in user interface to beguile user into inaccurate behavior.

Affected Products

• Microsoft Excel 2007 Service Pack 3 Microsoft Excel 2010 Service Pack 2Microsoft Excel 2013 Service Pack 1Microsoft Excel 2013 RT Service Pack 1Microsoft Excel 2016 Microsoft Excel ViewerMicrosoft Excel 2011 for MacMicrosoft Excel 2016 for Mac Microsoft Word 2007 Service Pack 3 Microsoft Word 2010 Service Pack 2 Microsoft Office 2016 Microsoft Word Viewer Microsoft Word for Mac 2011Microsoft Office 2007 Service Pack 3 Microsoft Office 2010Microsoft Office 2010 Service Pack 2 Microsoft Office 2013Microsoft Office 2013 Service Pack 1Microsoft Office 2013 RT Service Pack 1Microsoft Office 2011 for MacMicrosoft Office 2016 for Mac Microsoft Office Compatibility Pack Service Pack 3 Microsoft Publisher 2010 Service Pack 2Microsoft Auto Updater for MacExcel Services on Microsoft SharePoint Server 2010 Service Pack 2 Excel Services on Microsoft SharePoint Server 2007 Service Pack 3Word Automation Services on Microsoft SharePoint Server 2010 Service Pack 2 Microsoft Office Web Apps 2010 Service Pack 2