CVE-2021-42292: Microsoft Excel Security Feature Bypass Vulnerability

Published Nov 9, 2021
·
Updated

A security feature bypass vulnerability in Microsoft Excel would allow a local user to perform arbitrary code execution.

Other sources

Microsoft Excel Security Feature Bypass Vulnerability

Affected Software

40 affected componentsFixes available
Microsoft Office
Microsoft 365 Apps
Microsoft Excel=2013-sp1
Microsoft Excel=2013-sp1
Microsoft Office=2013-sp1
Microsoft Office=2013-sp1
Microsoft Office=2016
Microsoft Office=2019
Microsoft Office Macos=2019
Microsoft Office Long Term Servicing Channel=2021
Microsoft Office Long Term Servicing Channel Macos=2021
Microsoft Excel=2013-sp1
Microsoft Office=2013-sp1
Microsoft Excel 2013 RT<15.0.5397.1001
15.0.5397.1001
Microsoft Office 2013<15.0.5397.1001
15.0.5397.1001
Microsoft Office 2013<15.0.5397.1001
15.0.5397.1001
Microsoft Excel 2013<15.0.5397.1001
15.0.5397.1001
Microsoft Excel 2016<16.0.5239.1001
16.0.5239.1001
Microsoft Office LTSC 2021 for 32-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Office 2013 RT<15.0.5397.1001
15.0.5397.1001
Microsoft Excel 2016<16.0.5239.1001
16.0.5239.1001
Microsoft Office 2016<16.0.5239.1001
16.0.5239.1001
Microsoft Office 2016<16.0.5239.1001
16.0.5239.1001
Microsoft Office LTSC for Mac 2021<16.55.21111400
16.55.21111400
Microsoft 365 Apps for Enterprise<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Office LTSC 2021 for 64-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Excel 2013<15.0.5397.1001
15.0.5397.1001
Microsoft Office 2019 for 32-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Office 2019 for Mac<16.55.21111400
16.55.21111400
Microsoft Office 2019 for 64-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft 365 Apps for Enterprise<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Excel=2016
Microsoft Excel=2016
Microsoft Office 2016
Microsoft Office 2016
Microsoft Office 2019
Microsoft Office 2019
Microsoft Office 2021
Microsoft Office 2021
Microsoft Office 2021 Macos

Event History

Nov 9, 2021
CVE Published
via Microsoft·08:00 AM
Known Exploited
via Microsoft·08:00 AM
Data Sourced
via Microsoft·08:00 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·08:00 AM
Affected Software
Updated
via Microsoft·08:00 AM
SeverityAffected Software
Updated
via Microsoft·08:00 AM
Description
Nov 10, 2021
CVE Published
via MITRE·12:47 AM
Data Sourced
via MITRE·12:47 AM
DescriptionSeverity
Data Sourced
via NVD·01:19 AM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is CVE-2021-42292?

CVE-2021-42292 is a security feature bypass vulnerability in Microsoft Excel.

2

How does CVE-2021-42292 affect Microsoft Excel?

CVE-2021-42292 allows a local user to perform arbitrary code execution in Microsoft Excel.

3

What is the severity of CVE-2021-42292?

CVE-2021-42292 has a severity rating of 7.8 (high).

4

What versions of Microsoft Office are affected by CVE-2021-42292?

Versions of Microsoft Office including 365 Apps, Office 2013 SP1, Office 2016, Office 2019, and Office Long Term Servicing Channel 2021 on both Windows and macOS are affected by CVE-2021-42292.

5

How can CVE-2021-42292 be fixed?

To mitigate CVE-2021-42292, Microsoft has released security updates. It is recommended to install the latest updates for affected Microsoft Office versions.

Contact

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