CVE-2021-40472: Microsoft Excel Information Disclosure Vulnerability

Published Oct 13, 2021
·
Updated

Microsoft Excel Information Disclosure Vulnerability

Affected Software

9 affected components
Microsoft 365 Apps
Microsoft Excel=2016
Microsoft Office=2013-sp1
Microsoft Office=2013-sp1
Microsoft Office=2016
Microsoft Office=2019
Microsoft Office Long Term Servicing Channel=2021
Microsoft Office Online Server
Microsoft Office Web Apps Server=2013-sp1

Event History

Oct 13, 2021
CVE Published
via MITRE·12:27 AM
Data Sourced
via MITRE·12:27 AM
DescriptionSeverity
Data Sourced
via NVD·01:15 AM
RemedyDescriptionSeverityAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2021-40472?

CVE-2021-40472 is a vulnerability in Microsoft Excel that allows an attacker to disclose sensitive information.

2

What software is affected by CVE-2021-40472?

CVE-2021-40472 affects Microsoft Office LTSC for Mac 2021, Microsoft Excel 2016, Microsoft Office 2013 SP1, Microsoft Office 2016, Microsoft Office 2019, Microsoft Office Long Term Servicing Channel, Microsoft Office Online Server, and Microsoft Office Web Apps Server 2013 SP1.

3

What is the severity of CVE-2021-40472?

CVE-2021-40472 has a severity rating of medium with a score of 5.5 out of 10.

4

How can I fix CVE-2021-40472?

To fix CVE-2021-40472, update to the latest version of Microsoft Office and Excel.

5

Where can I find more information about CVE-2021-40472?

You can find more information about CVE-2021-40472 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