KLA12584 Multiple vulnerabilities in Microsoft Office

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

Below is a complete list of vulnerabilities:

1. A remote code execution vulnerability in Skype for Business and Lync can be exploited remotely to execute arbitrary code.
2. A security feature bypass vulnerability in Microsoft Office can be exploited remotely to bypass security restrictions.

Original advisories

CVE-2022-33633

CVE-2022-33632

Related products

Microsoft-Lync

Microsoft-Office

Microsoft-Lync-Server

CVE list

CVE-2022-33633 high

CVE-2022-33632 warning

KB list

5016714

5002112

5002121

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.

• SB

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

Affected Products

• Microsoft Office 2013 Service Pack 1 (32-bit editions)Skype for Business Server 2015 CU12Microsoft Lync Server 2013 CU10Microsoft Office LTSC 2021 for 64-bit editionsMicrosoft Office 2016 (64-bit edition)Skype for Business Server 2019 CU6Microsoft Office 2019 for 64-bit editionsMicrosoft Office 2013 Service Pack 1 (64-bit editions)Microsoft 365 Apps for Enterprise for 64-bit SystemsMicrosoft Office 2019 for 32-bit editionsMicrosoft Office LTSC 2021 for 32-bit editionsMicrosoft Office 2016 (32-bit edition)Microsoft 365 Apps for Enterprise for 32-bit SystemsMicrosoft Office 2013 RT Service Pack 1