KLA48823 Multiple vulnerabilities in Microsoft Office

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

Below is a complete list of vulnerabilities:

1. A remote code execution vulnerability in Microsoft Word can be exploited remotely to execute arbitrary code.
2. A spoofing vulnerability in Microsoft SharePoint Server can be exploited remotely to spoof user interface.
3. A remote code execution vulnerability in Microsoft Office can be exploited remotely to execute arbitrary code.
4. A remote code execution vulnerability in Microsoft Publisher can be exploited remotely to execute arbitrary code.

Original advisories

CVE-2023-28311

CVE-2023-28288

CVE-2023-28285

CVE-2023-28287

CVE-2023-28295

Related products

Microsoft-Office

Microsoft-SharePoint

CVE list

CVE-2023-28311 critical

CVE-2023-28288 critical

CVE-2023-28285 critical

CVE-2023-28287 critical

CVE-2023-28295 critical

KB list

5002385

5002383

5002221

5002381

5002213

5002373

5002375

Solution

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

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.

• SUI

Spoof user interface. Exploitation of vulnerabilities with this impact can lead to changes in user interface to beguile user into inaccurate behavior.

Affected Products

• Microsoft Office 2019 for 32-bit editionsMicrosoft SharePoint Enterprise Server 2013 Service Pack 1Microsoft Office LTSC 2021 for 64-bit editionsMicrosoft 365 Apps for Enterprise for 64-bit SystemsMicrosoft 365 Apps for Enterprise for 32-bit SystemsMicrosoft Publisher 2013 Service Pack 1 (64-bit editions)Microsoft Publisher 2013 Service Pack 1 (32-bit editions)Microsoft Publisher 2016 (64-bit edition)Microsoft Publisher 2016 (32-bit edition)Microsoft Office 2019 for 64-bit editionsMicrosoft Office LTSC for Mac 2021Microsoft Publisher 2013 Service Pack 1 RTMicrosoft SharePoint Server 2019Microsoft SharePoint Enterprise Server 2016Microsoft SharePoint Server Subscription EditionMicrosoft SharePoint Foundation 2013 Service Pack 1Microsoft Office LTSC 2021 for 32-bit editionsMicrosoft Office 2019 for Mac