KLA12109
Multiple vulnerabilities in Microsoft Office

Updated: 01/18/2022
Detect date
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03/09/2021
Severity
?
High
Description

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

Below is a complete list of vulnerabilities:

  1. A spoofing vulnerability in Microsoft SharePoint can be exploited remotely to spoof user interface.
  2. A remote code execution vulnerability in Microsoft Excel can be exploited remotely to execute arbitrary code.
  3. An information disclosure vulnerability in Microsoft SharePoint Server can be exploited remotely to obtain sensitive information.
  4. A remote code execution vulnerability in Microsoft Office can be exploited remotely to execute arbitrary code.
  5. A security feature bypass vulnerability in Microsoft Visio can be exploited remotely to bypass security restrictions.
  6. A remote code execution vulnerability in Microsoft PowerPoint can be exploited remotely to execute arbitrary code.
  7. A remote code execution vulnerability in Microsoft Office ClickToRun can be exploited remotely to execute arbitrary code.
  8. A remote code execution vulnerability in Microsoft SharePoint Server can be exploited remotely to execute arbitrary code.
Exploitation

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

Affected products

Microsoft Office 2016 (64-bit edition)
Microsoft Office Web Apps Server 2013 Service Pack 1
Microsoft Visio 2016 (32-bit edition)
Microsoft Office 2016 (32-bit edition)
Microsoft Excel 2010 Service Pack 2 (32-bit editions)
Microsoft Office 2013 Service Pack 1 (32-bit editions)
Microsoft PowerPoint 2013 Service Pack 1 (64-bit editions)
Microsoft Visio 2016 (64-bit edition)
Microsoft PowerPoint 2010 Service Pack 2 (32-bit editions)
Microsoft PowerPoint 2016 (64-bit edition)
Microsoft Office 2010 Service Pack 2 (64-bit editions)
Microsoft Excel 2016 (32-bit edition)
Microsoft Office 2019 for 32-bit editions
Microsoft Excel 2013 RT Service Pack 1
Microsoft PowerPoint 2016 (32-bit edition)
Microsoft 365 Apps for Enterprise for 32-bit Systems
Microsoft Office 2019 for Mac
Microsoft Business Productivity Servers 2010 Service Pack 2
Microsoft SharePoint Foundation 2013 Service Pack 1
Microsoft Excel 2013 Service Pack 1 (64-bit editions)
Microsoft Visio 2010 Service Pack 2 (64-bit editions)
Microsoft PowerPoint 2010 Service Pack 2 (64-bit editions)
Microsoft Excel 2016 (64-bit edition)
Microsoft Office 2010 Service Pack 2 (32-bit editions)
Microsoft Visio 2013 Service Pack 1 (32-bit editions)
Microsoft Office Web Apps 2013 Service Pack 1
Microsoft SharePoint Enterprise Server 2016
Microsoft 365 Apps for Enterprise for 64-bit Systems
Microsoft Excel 2013 Service Pack 1 (32-bit editions)
Microsoft Office Online Server
Microsoft SharePoint Server 2019
Microsoft PowerPoint 2013 RT Service Pack 1
Microsoft Visio 2010 Service Pack 2 (32-bit editions)
Microsoft Office 2013 RT Service Pack 1
Microsoft Office 2013 Service Pack 1 (64-bit editions)
Microsoft Excel 2010 Service Pack 2 (64-bit editions)
Microsoft PowerPoint 2013 Service Pack 1 (32-bit editions)
Microsoft Office 2019 for 64-bit editions
Microsoft Visio 2013 Service Pack 1 (64-bit editions)

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-2021-24104
CVE-2021-27053
CVE-2021-27052
CVE-2021-27059
CVE-2021-27054
CVE-2021-27055
CVE-2021-27057
CVE-2021-27056
CVE-2021-27058
CVE-2021-27076
CVE-2021-24108

Impacts
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ACE 
[?]

OSI 
[?]

SB 
[?]

SUI 
[?]
Related products
Microsoft Visio 2010
Microsoft Office
Microsoft Excel
CVE-IDS
?
KB list

4493228
4493214
4484376
4493224
4493177
4493227
4493225
4504703
4493239
4493231
4493238
4493232
4493233
4493234
4493199
4493229
4493203
4486673
4493151
4504702
4504707
4493200
3101541
4493230

Microsoft official advisories
Microsoft Security Update Guide
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