CVE-2021-42296: Microsoft Word Remote Code Execution Vulnerability

Published Nov 9, 2021
·
Updated

Microsoft Word Remote Code Execution Vulnerability

Affected Software

10 affected componentsFixes available
Microsoft 365 Apps
Microsoft 365 Apps
Microsoft Office=2021
Microsoft Office=2021
Microsoft Office Long Term Servicing Channel=2021
Microsoft Office Long Term Servicing Channel=2021
Microsoft Office LTSC 2021 for 32-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft 365 Apps for Enterprise<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
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

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in https://aka.ms/OfficeSecurityReleases

Event History

Nov 9, 2021
CVE Published
via Microsoft·08:00 AM
Data Sourced
via Microsoft·08:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·08:00 AM
Affected 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
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2021-42296?

CVE-2021-42296 has a critical severity rating due to its potential for remote code execution.

2

How do I fix CVE-2021-42296?

To fix CVE-2021-42296, users should apply the latest security updates provided by Microsoft for affected software.

3

Which software is affected by CVE-2021-42296?

CVE-2021-42296 affects Microsoft 365 Apps and Microsoft Office 2021 on both x64 and x86 architectures.

4

What type of vulnerability is CVE-2021-42296?

CVE-2021-42296 is classified as a remote code execution vulnerability in Microsoft Word.

5

Can CVE-2021-42296 be exploited remotely?

Yes, CVE-2021-42296 can be exploited remotely, allowing attackers to execute arbitrary code on vulnerable systems.

Contact

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