CVE-2023-36866: Microsoft Office Visio Remote Code Execution Vulnerability

Published Aug 8, 2023
·
Updated

Microsoft Office Visio Remote Code Execution Vulnerability

Affected Software

17 affected componentsFixes available
Microsoft Office 2019 for 32-bit editions
Microsoft Office LTSC 2021 for 64-bit editions
Microsoft Office 2019 for 64-bit editions
Microsoft Office LTSC 2021 for 32-bit editions
Microsoft 365 Apps for Enterprise
Microsoft 365 Apps for Enterprise
Microsoft 365 Apps
Microsoft Office=2019
Microsoft Office Long Term Servicing Channel=2021
Microsoft Visio 2016<5439.1000
5439.1000
Microsoft Office 2019 for 64-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Office LTSC 2021 for 32-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft 365 Apps for Enterprise<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft 365 Apps for Enterprise<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Office LTSC 2021 for 64-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Office 2019 for 32-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Visio 2016<5439.1000
5439.1000

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 5439.1000Patch KB5002565
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in https://aka.ms/OfficeSecurityReleases

Event History

Aug 8, 2023
CVE Published
via Microsoft·07:00 AM
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
Description
CVE Published
via MITRE·05:08 PM
Data Sourced
via MITRE·05:08 PM
DescriptionSeverity
Data Sourced
via NVD·06:15 PM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is CVE-2023-36866?

CVE-2023-36866 is a vulnerability in Microsoft Office Visio that allows remote code execution.

2

How severe is CVE-2023-36866?

CVE-2023-36866 has a severity rating of 7.8 (high).

3

Which software versions are affected by CVE-2023-36866?

CVE-2023-36866 affects Microsoft 365 Apps for Enterprise, Microsoft Office LTSC 2021, and Microsoft Office 2019.

4

How can I fix CVE-2023-36866?

To fix CVE-2023-36866, update your software to the latest version.

5

Where can I find more information about CVE-2023-36866?

You can find more information about CVE-2023-36866 on the Microsoft Security Response Center website.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203