KLA12288 Multiple vulnerabilities in Microsoft Office

Multiple vulnerabilities were found in Microsoft Office. Malicious users can exploit these vulnerabilities to execute arbitrary code, spoof user interface.

Below is a complete list of vulnerabilities:

1. A remote code execution vulnerability in Microsoft Office Graphics can be exploited remotely to execute arbitrary code.
2. A remote code execution vulnerability in Microsoft Office Visio can be exploited remotely to execute arbitrary code.
3. A remote code execution vulnerability in Microsoft Excel can be exploited remotely to execute arbitrary code.
4. A remote code execution vulnerability in Microsoft Word can be exploited remotely to execute arbitrary code.
5. A remote code execution vulnerability in Microsoft Office can be exploited remotely to execute arbitrary code.
6. A spoofing vulnerability in Microsoft SharePoint Server can be exploited remotely to spoof user interface.
7. A remote code execution vulnerability in Microsoft Office Access Connectivity Engine can be exploited remotely to execute arbitrary code.
8. A spoofing vulnerability in Microsoft Office can be exploited remotely to spoof user interface.
9. An information disclosure vulnerability in Microsoft Office Graphics Component can be exploited remotely to execute arbitrary code.

Original advisories

CVE-2021-38660

CVE-2021-38654

CVE-2021-38655

CVE-2021-38656

CVE-2021-38659

CVE-2021-38653

CVE-2021-38658

CVE-2021-38651

CVE-2021-38646

CVE-2021-38652

CVE-2021-38650

CVE-2021-38657

Related products

Microsoft-Office

Microsoft-Excel

Microsoft-Sharepoint-Server

CVE list

CVE-2021-38660 unknown

CVE-2021-38654 unknown

CVE-2021-38655 unknown

CVE-2021-38656 unknown

CVE-2021-38659 unknown

CVE-2021-38653 unknown

CVE-2021-38658 unknown

CVE-2021-38651 unknown

CVE-2021-38646 unknown

CVE-2021-38652 unknown

CVE-2021-38650 unknown

CVE-2021-38657 unknown

KB list

4484108

5001997

5002014

5002024

5002007

4484103

5002009

5002018

5002003

5002020

5001999

5002005

5001958

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.

• 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 Office 2013 Service Pack 1 (32-bit editions)Microsoft Excel 2013 Service Pack 1 (64-bit editions)Microsoft Office 2019 for 64-bit editionsMicrosoft Excel 2016 (32-bit edition)Microsoft Office 2019 for MacMicrosoft Office 2013 Service Pack 1 (64-bit editions)Microsoft 365 Apps for Enterprise for 32-bit SystemsMicrosoft Office 2016 (32-bit edition)Microsoft SharePoint Enterprise Server 2016Microsoft Office 2016 (64-bit edition)Microsoft Excel 2013 Service Pack 1 (32-bit editions)Microsoft Office Online ServerMicrosoft 365 Apps for Enterprise for 64-bit SystemsMicrosoft Office Web Apps Server 2013 Service Pack 1Microsoft Office 2019 for 32-bit editionsMicrosoft Excel 2016 (64-bit edition)Microsoft Office 2013 RT Service Pack 1Microsoft Excel 2013 RT Service Pack 1Microsoft SharePoint Foundation 2013 Service Pack 1Microsoft SharePoint Server 2019