KLA20229
Multiple vulnerabilities in Microsoft Office

Updated: 11/15/2023
Detect date
?
02/14/2023
Severity
?
Critical
Description

Multiple vulnerabilities were found in Microsoft Office. Malicious users can exploit these vulnerabilities to execute arbitrary code, gain privileges, obtain sensitive information, spoof user interface, bypass security restrictions.

Below is a complete list of vulnerabilities:

  1. A remote code execution vulnerability in Windows Graphics Component can be exploited remotely to gain privileges.
  2. An information disclosure vulnerability in Microsoft Office can be exploited remotely to obtain sensitive information.
  3. A remote code execution vulnerability in Microsoft Word can be exploited remotely to execute arbitrary code.
  4. A spoofing vulnerability in Microsoft OneNote can be exploited remotely to spoof user interface.
  5. A security feature bypass vulnerability in Microsoft 365 Apps for Enterprise can be exploited remotely to bypass security restrictions.
  6. An elevation of privilege vulnerability in Microsoft SharePoint Server can be exploited remotely to gain privileges.
Exploitation

Public exploits exist for this vulnerability.

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

Affected products

Microsoft Office for iOS
Microsoft Word 2013 Service Pack 1 (32-bit editions)
Microsoft Word 2016 (32-bit edition)
Microsoft Office Online Server
Microsoft Office LTSC 2021 for 64-bit editions
Microsoft Office for Universal
Microsoft SharePoint Foundation 2013 Service Pack 1
Microsoft Word 2013 RT Service Pack 1
Microsoft Office 2019 for Mac
Microsoft Office LTSC 2021 for 32-bit editions
Microsoft 365 Apps for Enterprise for 64-bit Systems
Microsoft SharePoint Enterprise Server 2016
Microsoft SharePoint Enterprise Server 2013 Service Pack 1
Microsoft OneNote for Android
Microsoft Office LTSC for Mac 2021
SharePoint Server Subscription Edition Language Pack
Microsoft Word 2016 (64-bit edition)
Microsoft SharePoint Server 2019
Microsoft Word 2013 Service Pack 1 (64-bit editions)
Microsoft Office for Android
Microsoft Office Web Apps Server 2013 Service Pack 1
Microsoft SharePoint Server Subscription Edition
Microsoft 365 Apps for Enterprise for 32-bit Systems
Microsoft Office 2019 for 64-bit editions
Microsoft Office 2019 for 32-bit editions

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)

Original advisories

CVE-2023-21714
CVE-2023-21716
CVE-2023-21721
CVE-2023-21715
CVE-2023-21823
CVE-2023-21717

Impacts
?
ACE 
[?]

OSI 
[?]

SB 
[?]

PE 
[?]

SUI 
[?]
Related products
Microsoft Office
Microsoft Word
Microsoft SharePoint
CVE-IDS
?
CVE-2023-218235.0Warning
CVE-2023-217145.0Warning
CVE-2023-217165.0Warning
CVE-2023-217215.0Warning
CVE-2023-217155.0Warning
CVE-2023-217175.0Warning
KB list

5002323
5002352
5002325
5002347
5002342
5002313
5002330
5002350
5002309
5002312
5002346
5002353
5002316

Microsoft official advisories
Microsoft Security Update Guide
Find out the statistics of the vulnerabilities spreading in your region