Advisory Published
Updated

CVE-2021-28456: Microsoft Excel Information Disclosure Vulnerability

First published: Tue Apr 13 2021(Updated: )

Microsoft Excel Information Disclosure Vulnerability

Credit: secure@microsoft.com secure@microsoft.com

Affected SoftwareAffected VersionHow to fix
Microsoft 365 Apps
Microsoft Excel=2010-sp2
Microsoft Excel=2013-sp1
Microsoft Excel=2013-sp1
Microsoft Excel=2016
Microsoft Office=2019
Microsoft Office=2019
Microsoft Office Online Server
Microsoft Office Web Apps Server=2013-sp1

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 CVE-2021-28456?

    CVE-2021-28456 is a vulnerability in Microsoft Excel that allows for information disclosure.

  • How severe is CVE-2021-28456?

    CVE-2021-28456 has a severity score of 5.5, which is considered medium.

  • Which software versions are affected by CVE-2021-28456?

    Microsoft Office LTSC for Mac 2021, Microsoft Excel 2010 SP2, Microsoft Excel 2013 SP1, Microsoft Excel 2016, Microsoft Office 2019, Microsoft Office Online Server, and Microsoft Office Web Apps Server 2013 SP1 are affected by CVE-2021-28456.

  • How can I fix CVE-2021-28456?

    To fix CVE-2021-28456, it is recommended to apply the latest security updates provided by Microsoft.

  • Where can I find more information about CVE-2021-28456?

    For more information about CVE-2021-28456, you can visit the Microsoft Security Advisory at [https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28456](https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28456).

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.
© 2024 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203