QID 110437

Date Published: 2023-06-14

QID 110437: Microsoft Outlook Remote Code Execution Vulnerability for June 2023

Microsoft has released March 2023 security updates for outlook to fix a Elevation of Privilege Vulnerability.

This security update contains the following KBs:
KB5002387
KB5002382

QID Detection Logic:
QID Detection Logic (Authenticated):
Operating System: Windows
The detection extracts the Install Path for Microsoft Office via the Windows Registry. The QID checks the file version of "graph.exe" to identify vulnerable versions of Microsft Office. Patched Versions for Microsoft 365 Apps for enterprise, Microsoft 365 Apps for business, Office 2016 Retail (C2R), Office 2019, Office LTSC 2021, and Office 2021 are as follows
Current Channel: Version 2305 (Build 16.0.16501.20210)
Monthly Enterprise Channel: Version 2304 (Build 16.0.16327.20324)
Monthly Enterprise Channel: Version 2303 (Build 16.0.16227.20354)
Semi-Annual Enterprise Channel (Preview): Version 2302 (Build 16.0.16130.20580)
Semi-Annual Enterprise Channel: Version 2208 (Build 16.0.15601.20680)
Semi-Annual Enterprise Channel: Version 2202 (Build 16.0.14931.21024)
Office 2021 Retail: Version 2305 (Build 16.0.16501.20210)
Office 2019 Retail: Version 2305 (Build 16.0.16501.20210)
Office 2016 Retail: Version 2305 (Build 16.0.16501.20210)
Office LTSC 2021 Volume Licensed: Version 2108 (Build 16.0.14332.20517)
Office 2019 Volume Licensed: Version 1808 (Build 16.0.10399.20000)
For traditional MSI Installations, following KBs and version are the required:
KB5002387 - 16.0.5395.1000 (outlook.exe)
KB5002382 - 15.0.5559.1000 (emsmdb32.dll)

Note: Office click-2-run and Office 365 installations need to be updated manually or need to be set to automatic update. There is no direct download for the patch.

Successful exploitation will lead to Remote Code Execution.

  • CVSS V3 rated as Critical - 8.8 severity.
  • CVSS V2 rated as High - 7.5 severity.
    • Solution
    Refer to Microsoft Security Guidance for more details pertaining to this vulnerability.

    Office Click-2-Run and Office 365 Release Notes
    Release notes for Office for Mac
    KB5002387
    KB5002382

    Vendor References

    CVEs related to QID 110437

    CVE-2023-33131 |
    Software Advisories
    Advisory ID Software Component Link
    CVE-2023-33131 URL Logo msrc.microsoft.com/update-guide/vulnerability/CVE-2023-33131
    By selecting these links, you may be leaving CVEreport webspace. We have provided these links to other websites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other websites that are more appropriate for your purpose. CVEreport does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, CVEreport does not endorse any commercial products that may be mentioned on these sites. Please address comments about any linked pages to [email protected].