KLA61354 Multiple vulnerabilities in Microsoft Office

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

Below is a complete list of vulnerabilities:

1. An elevation of privilege vulnerability in Microsoft Office Graphics can be exploited remotely to gain privileges.
2. An elevation of privilege vulnerability in Microsoft Office can be exploited remotely to gain privileges.
3. An elevation of privilege vulnerability in Skype for Business can be exploited remotely to gain privileges.
4. An elevation of privilege vulnerability in Microsoft Office Click-To-Run can be exploited remotely to gain privileges.
5. A remote code execution vulnerability in Skype for Business can be exploited remotely to execute arbitrary code.

Original advisories

CVE-2023-36565

CVE-2023-36569

CVE-2023-41763

CVE-2023-36568

CVE-2023-36786

CVE-2023-36789

CVE-2023-36780

Exploitation

Public exploits exist for this vulnerability.

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

Related products

Microsoft-Office

Skype-for-Business

CVE list

CVE-2023-36565 high

CVE-2023-36569 critical

CVE-2023-41763 high

CVE-2023-36568 high

CVE-2023-36786 high

CVE-2023-36789 high

CVE-2023-36780 high

KB list

3061064

4470124

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.

• PE

Privilege escalation. Exploitation of vulnerabilities with this impact can lead to performing by abuser actions, which are normally disallowed for current role.

Affected Products

• Microsoft 365 Apps for Enterprise for 64-bit SystemsSkype for Business Server 2019 CU7Microsoft Office 2019 for 64-bit editionsMicrosoft Office for AndroidMicrosoft Office LTSC 2021 for 64-bit editionsMicrosoft 365 Apps for Enterprise for 32-bit SystemsMicrosoft Office LTSC for Mac 2021Microsoft Office 2019 for MacMicrosoft Office LTSC 2021 for 32-bit editionsMicrosoft Office for UniversalMicrosoft Office 2019 for 32-bit editionsSkype for Business Server 2015 CU13