KLA12414 Multiple vulnerabilities in Microsoft Office

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

Below is a complete list of vulnerabilities:

1. A remote code execution vulnerability in Microsoft SharePoint Server can be exploited remotely to execute arbitrary code.
2. A remote code execution vulnerability in Microsoft Office 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.

Original advisories

CVE-2022-21837

CVE-2022-21840

CVE-2022-21841

CVE-2022-21842

Exploitation

Related products

Microsoft-Office

Microsoft-Excel

Microsoft-Word

Microsoft-Sharepoint-Server

Microsoft-SharePoint

CVE list

CVE-2022-21837 critical

CVE-2022-21840 critical

CVE-2022-21841 critical

CVE-2022-21842 critical

KB list

5002057

5002119

5002110

5002107

5002115

5002113

5002128

5002052

5002109

5002124

5002060

5002129

5002102

5002114

5002127

5002111

5002064

5002108

5002122

4462205

5002118

5002116

5001995

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.

Affected Products

• Microsoft 365 Apps for Enterprise for 32-bit SystemsMicrosoft 365 Apps for Enterprise for 64-bit SystemsMicrosoft Excel 2013 RT Service Pack 1Microsoft Excel 2013 Service Pack 1 (32-bit editions)Microsoft Excel 2013 Service Pack 1 (64-bit editions)Microsoft Excel 2016 (32-bit edition)Microsoft Excel 2016 (64-bit edition)Microsoft Office 2013 RT Service Pack 1Microsoft Office 2013 Service Pack 1 (32-bit editions)Microsoft Office 2013 Service Pack 1 (64-bit editions)Microsoft Office 2016 (32-bit edition)Microsoft Office 2016 (64-bit edition)Microsoft Office 2019 for 32-bit editionsMicrosoft Office 2019 for 64-bit editionsMicrosoft Office 2019 for MacMicrosoft Office LTSC 2021 for 32-bit editionsMicrosoft Office LTSC 2021 for 64-bit editionsMicrosoft Office LTSC for Mac 2021Microsoft Office Online ServerMicrosoft Office Web Apps Server 2013 Service Pack 1Microsoft SharePoint Enterprise Server 2013 Service Pack 1Microsoft SharePoint Enterprise Server 2016Microsoft SharePoint Foundation 2013 Service Pack 1Microsoft SharePoint Server 2019Microsoft SharePoint Server Subscription EditionMicrosoft Word 2016 (32-bit edition)Microsoft Word 2016 (64-bit edition)SharePoint Server Subscription Edition Language Pack