7.8
CWE
416
Advisory Published
CVE Published
Updated

CVE-2025-21387: Microsoft Excel Remote Code Execution Vulnerability

First published: Tue Feb 11 2025(Updated: )

Microsoft Excel Remote Code Execution Vulnerability

Credit: secure@microsoft.com

Affected SoftwareAffected VersionHow to fix
Microsoft Office Online Server
Microsoft Office LTSC 2021 for 64-bit editions
Microsoft Office Long Term Servicing Channel for Mac
Microsoft 365 Apps for Enterprise
Microsoft Excel 2016
Microsoft Office Long Term Servicing Channel for Mac
Microsoft Office 2019 for 32-bit editions
Microsoft Excel 2016
Microsoft 365 Apps for Enterprise
Microsoft Office 2019 for 64-bit editions
Microsoft Office LTSC 2024 for 64-bit editions
Microsoft Office LTSC 2021 for 32-bit editions
Microsoft Office LTSC 2024 for 32-bit editions
microsoft 365 apps
microsoft 365 apps
Microsoft Excel for Mac=2016
Microsoft Excel for Mac=2016
Microsoft Office=2019
Microsoft Office=2019
Microsoft Office=2021
Microsoft Office=2021
Microsoft Office=2021
Microsoft Office=2024
Microsoft Office=2024
Microsoft Office=2024
Microsoft Office Online Server<16.0.10416.20058

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Frequently Asked Questions

  • What is the severity of CVE-2025-21387?

    CVE-2025-21387 is classified as a critical severity remote code execution vulnerability that affects Microsoft Excel.

  • How do I fix CVE-2025-21387?

    To fix CVE-2025-21387, apply the latest security patches provided by Microsoft for the affected versions of Excel.

  • Which versions of Microsoft Excel are affected by CVE-2025-21387?

    CVE-2025-21387 affects several versions including Excel 2016, Office LTSC for Mac, and Microsoft 365 Apps for Enterprise.

  • What type of vulnerability is CVE-2025-21387?

    CVE-2025-21387 is a remote code execution vulnerability that allows attackers to execute arbitrary code on a victim's system.

  • What are the potential impacts of CVE-2025-21387?

    If exploited, CVE-2025-21387 can lead to unauthorized access to the system and potential data compromise.

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.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203