CVE-2023-21735: Microsoft Office Remote Code Execution Vulnerability

Published Jan 10, 2023
·
Updated

Microsoft Office Remote Code Execution Vulnerability

Affected Software

8 affected componentsFixes available
Microsoft Office LTSC for Mac 2021
Microsoft 365 Apps for Enterprise
Microsoft 365 Apps for Enterprise
Microsoft 365 Apps
Microsoft 365 Apps
Microsoft Office Macos=2019
Microsoft Office Long Term Servicing Channel Macos=2021
Microsoft Office 2019 for Mac

Event History

Jan 10, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionSeverity
Data Sourced
via Microsoft·08:00 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·10:15 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is CVE-2023-21735?

CVE-2023-21735 is a Microsoft Office Remote Code Execution Vulnerability.

2

What is the severity of CVE-2023-21735?

CVE-2023-21735 has a severity rating of 7.8 (high).

3

Which software versions are affected by CVE-2023-21735?

CVE-2023-21735 affects Microsoft Office LTSC for Mac 2021, Microsoft Office 2019 for Mac, and Microsoft Office Long Term Servicing Channel 2021.

4

How do I fix CVE-2023-21735?

To fix CVE-2023-21735, follow the remediation steps provided by Microsoft for the affected software versions. Links to the official Microsoft documentation are available in the references section.

5

Where can I find more information about CVE-2023-21735?

You can find more information about CVE-2023-21735 in the Microsoft Security Response Center (MSRC) update guide. The link is available in the references section.

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