KLA61981
Multiple vulnerabilities in Microsoft Office

Multiple vulnerabilities were found in Microsoft Office. Malicious users can exploit these vulnerabilities to bypass security restrictions, execute arbitrary code.

Below is a complete list of vulnerabilities:

1. A security feature bypass vulnerability in Microsoft Excel can be exploited remotely to bypass security restrictions.
2. A remote code execution vulnerability in Microsoft Excel can be exploited remotely to execute arbitrary code.
3. A security feature bypass vulnerability in Microsoft Office can be exploited remotely to bypass security restrictions.
4. A remote code execution vulnerability in Microsoft Office Graphics can be exploited remotely to execute arbitrary code.
5. A remote code execution vulnerability in Microsoft SharePoint Server can be exploited remotely to execute arbitrary code.

Public exploits exist for this vulnerability.

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

Microsoft Excel 2016 (64-bit edition)
Microsoft Office 2016 (64-bit edition)
Microsoft SharePoint Server 2019
Microsoft Office LTSC 2021 for 32-bit editions
Microsoft SharePoint Enterprise Server 2016
Microsoft Office LTSC 2021 for 64-bit editions
Microsoft SharePoint Server Subscription Edition
Microsoft Office 2019 for 64-bit editions
Microsoft Excel 2016 (32-bit edition)
Microsoft Office 2019 for 32-bit editions
Microsoft Office 2016 (32-bit edition)
Microsoft 365 Apps for Enterprise for 32-bit Systems
Microsoft Office LTSC for Mac 2021
Microsoft 365 Apps for Enterprise for 64-bit Systems

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update component usually can be accessed from the Control Panel) and updates from the Update Options section, that are listed in your Office Account (Office Account tab usually can be accessed from the File menu)
Install Office updates

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