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KLA12201
Multiple vulnerabilities in Microsoft Office

Updated: 01/25/2024
Detect date
?
06/08/2021
Severity
?
Critical
Description

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

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 Outlook can be exploited remotely to execute arbitrary code.
  3. A remote code execution vulnerability in Microsoft SharePoint Server can be exploited remotely to execute arbitrary code.
  4. A spoofing vulnerability in Microsoft SharePoint Server can be exploited remotely to spoof user interface.
  5. A remote code execution vulnerability in Microsoft Excel can be exploited remotely to execute arbitrary code.
  6. An information disclosure vulnerability in Microsoft SharePoint Server can be exploited remotely to obtain sensitive information.
Affected products

Microsoft SharePoint Enterprise Server 2016
Microsoft Office Web Apps Server 2013 Service Pack 1
Microsoft Office 2013 Service Pack 1 (32-bit editions)
Microsoft Excel 2013 Service Pack 1 (32-bit editions)
Microsoft Office 2016 (64-bit edition)
Microsoft Office 2016 (32-bit edition)
Microsoft Outlook 2013 Service Pack 1 (64-bit editions)
Microsoft Outlook 2016 (64-bit edition)
Microsoft Outlook 2013 Service Pack 1 (32-bit editions)
Microsoft Office 2013 RT Service Pack 1
Microsoft Excel 2013 Service Pack 1 (64-bit editions)
Microsoft Office 2019 for 32-bit editions
Microsoft Excel 2016 (64-bit edition)
Microsoft SharePoint Foundation 2013 Service Pack 1
Microsoft Office 2019 for Mac
Microsoft Excel 2013 RT Service Pack 1
Microsoft Outlook 2016 (32-bit edition)
Microsoft Office 2019 for 64-bit editions
Microsoft 365 Apps for Enterprise for 32-bit Systems
Microsoft Excel 2016 (32-bit edition)
Microsoft SharePoint Enterprise Server 2013 Service Pack 1
Microsoft SharePoint Server 2019
Microsoft Office 2013 Service Pack 1 (64-bit editions)
Microsoft Outlook 2013 RT Service Pack 1
Microsoft 365 Apps for Enterprise for 64-bit Systems
Office Online Server

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)

Original advisories

CVE-2021-31940
CVE-2021-31949
CVE-2021-26420
CVE-2021-31948
CVE-2021-31966
CVE-2021-31939
CVE-2021-31965
CVE-2021-31941
CVE-2021-31963
CVE-2021-31964
CVE-2021-31950

Impacts
?
ACE 
[?]

OSI 
[?]

SUI 
[?]
Related products
Microsoft Office
Microsoft Outlook
Microsoft Excel
CVE-IDS
?
Microsoft official advisories
Microsoft Security Update Guide
KB list

5001963
5001946
5001944
5001955
5001953
5001943
5001956
5001939
5001934
5001954
5001945
5001947
5001962
4011698
5001950
5001922
5001942
5001951

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