CVE-2022-21840: Microsoft Office Remote Code Execution Vulnerability

Published Jan 11, 2022
·
Updated

Microsoft Office Remote Code Execution Vulnerability.

Affected Software

52 affected componentsFixes available
Microsoft Excel 2013
Patch available
Microsoft SharePoint Server Subscription Edition
Patch available
Microsoft SharePoint Server 2019
Patch availablePatch available
Microsoft SharePoint Enterprise Server 2013
Patch availablePatch available
Microsoft Excel 2013
Patch available
Microsoft SharePoint Server Subscription Edition Language Pack
Patch available
Microsoft SharePoint Foundation 2013
Patch availablePatch available
Microsoft Office Online Server
Patch available
Microsoft Office LTSC for Mac 2021
Patch available
Microsoft Office 2013
Patch availablePatch availablePatch available
Microsoft Office 2013
Patch availablePatch availablePatch available
Microsoft Excel 2013 RT
Patch available
Microsoft Office Web Apps Server 2013
Patch available
Microsoft Office 2019 for 32-bit editions
Patch available
Microsoft Office LTSC 2021 for 64-bit editions
Patch available
Microsoft Excel=2013-sp1
Microsoft Excel=2013-sp1
Microsoft Excel=2016
Microsoft Excel=2016
Microsoft Office=2013-sp1
Microsoft Office=2013-sp1
Microsoft Office=2013-sp1
Microsoft Office=2016
Microsoft Office=2016
Microsoft Office=2019
Microsoft Office=2019
Microsoft Office Macos=2019
Microsoft Office=2021
Microsoft Office=2021
Microsoft Office Macos=2021
Microsoft Office Online Server
Microsoft Office Web Apps=2013-sp1
Microsoft SharePoint Enterprise Server=2013-sp1
Microsoft SharePoint Server
Microsoft SharePoint Server=language_pack
Microsoft SharePoint Server=2013-sp1
Microsoft SharePoint Server=2016
Microsoft SharePoint Server=2019
Microsoft Office 2019 for 64-bit editions
Patch available
Microsoft Office LTSC 2021 for 32-bit editions
Patch available
Microsoft SharePoint Enterprise Server 2016
Patch availablePatch available
Microsoft Office 2016
Patch availablePatch availablePatch available
Microsoft Office 2016
Patch availablePatch availablePatch available
Microsoft 365 Apps for Enterprise
Patch available
Microsoft 365 Apps for Enterprise
Patch available
Microsoft Office 2019 for Mac
Patch available
Microsoft Excel 2016
Patch available
Microsoft Excel 2016
Patch available
Microsoft Office 2013 RT
Patch availablePatch availablePatch available
Microsoft Office Long Term Servicing Channel=2021
Microsoft Office Long Term Servicing Channel=2021
Microsoft Office Long Term Servicing Channel Macos=2021

Remediation

Patch Available

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21840

Event History

Jan 11, 2022
CVE Published
via Microsoft·08:00 AM
Data Sourced
via Microsoft·08:00 AM
DescriptionSeverityWeakness
CVE Published
via MITRE·08:22 PM
Data Sourced
via MITRE·08:22 PM
DescriptionSeverity
Data Sourced
via NVD·09:15 PM
DescriptionSeverityAffected 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-2022-21840?

CVE-2022-21840 is a Microsoft Office Remote Code Execution Vulnerability.

2

Which software versions are affected by CVE-2022-21840?

Microsoft Excel versions 2013 SP1, 2016, and all versions of Microsoft Office from 2013 SP1 to 2021 are affected by CVE-2022-21840.

3

What is the severity of CVE-2022-21840?

The severity of CVE-2022-21840 is rated as high, with a CVSS score of 8.8.

4

How can I fix CVE-2022-21840?

Apply the latest security updates provided by Microsoft to mitigate CVE-2022-21840. Also, ensure that you have a robust cybersecurity posture and follow best practices.

5

Where can I find more information about CVE-2022-21840?

You can find more information about CVE-2022-21840 on the official Microsoft Security Bulletin: [https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21840](https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21840)

Company

Resources

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