CVE-2023-21716: Microsoft Word Remote Code Execution Vulnerability

Published Feb 14, 2023
·
Updated

Microsoft Word Remote Code Execution Vulnerability

Affected Software

33 affected componentsFixes available
Microsoft Office Macos=2019
Microsoft Office Long Term Servicing Channel Macos=2021
Microsoft Office Online Server=2016
Microsoft Office Web Apps=2013-sp1
Microsoft SharePoint Enterprise Server=2013-sp1
Microsoft SharePoint Enterprise Server=2016
Microsoft SharePoint Foundation=2013-sp1
Microsoft SharePoint Server
Microsoft SharePoint Server=language_pack
Microsoft SharePoint Server=2019
Microsoft Word=2013-sp1
Microsoft Word=2013-sp1
Microsoft Office 2019 for 64-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Word 2013<15.0.5529.1000
15.0.5529.1000
Microsoft Word 2013 RT<15.0.5529.1000
15.0.5529.1000
Microsoft Word 2013<15.0.5529.1000
15.0.5529.1000
Microsoft SharePoint Foundation 2013<15.0.5529.1000
15.0.5529.1000
Microsoft Word 2016<16.0.5383.1000
16.0.5383.1000
Microsoft Office 2019 for 32-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Word 2016<16.0.5383.1000
16.0.5383.1000
Microsoft Office Web Apps Server 2013<15.0.5529.1000
15.0.5529.1000
Microsoft SharePoint Enterprise Server 2016<16.0.5383.1000
16.0.5383.1000
Microsoft SharePoint Enterprise Server 2013<15.0.5529.1000
15.0.5529.1000
Microsoft Office 2019 for Mac<16.70.23021201
16.70.23021201
Microsoft Office Online Server<16.0.10395.20001
16.0.10395.20001
Microsoft SharePoint Server 2019<16.0.10395.20001
16.0.10395.20001
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 365 Apps for Enterprise<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Office LTSC 2021 for 32-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft SharePoint Server Subscription Edition Language Pack<16.0.15601.20478
16.0.15601.20478
Microsoft Office LTSC for Mac 2021<16.70.23021201
16.70.23021201
Microsoft SharePoint Server Subscription Edition<16.0.15601.20478
16.0.15601.20478

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
  2. Upgrade

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

    Fixed in 15.0.5529.1000Patch KB5002316
  3. Upgrade

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

    Fixed in 15.0.5529.1000Patch KB5002312
  4. Upgrade

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

    Fixed in 16.0.5383.1000Patch KB5002323
  5. Upgrade

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

    Fixed in 16.0.5383.1000Patch KB5002325
  6. Upgrade

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

    Fixed in 15.0.5529.1000Patch KB5002313
  7. Upgrade

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

    Fixed in 16.70.23021201
  8. Upgrade

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

    Fixed in 16.0.10395.20001Patch KB5002330
  9. Upgrade

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

    Fixed in 16.0.10395.20001Patch KB5002309
  10. Upgrade

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

    Fixed in 16.0.15601.20478Patch KB5002352

Event History

Feb 14, 2023
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
CVE Published
via MITRE·07:33 PM
Data Sourced
via MITRE·07:33 PM
DescriptionSeverity
Data Sourced
via NVD·08:15 PM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is CVE-2023-21716?

CVE-2023-21716 is a Microsoft Word Remote Code Execution Vulnerability.

2

How severe is CVE-2023-21716?

CVE-2023-21716 has a severity rating of 9.8, which is considered critical.

3

Which software is affected by CVE-2023-21716?

CVE-2023-21716 affects various versions of Microsoft Office, Microsoft SharePoint, and Microsoft Word.

4

How can I fix CVE-2023-21716?

To fix CVE-2023-21716, apply the security updates or patches provided by Microsoft for the affected software versions.

5

Where can I get more information about CVE-2023-21716?

You can find more information about CVE-2023-21716 on the Microsoft Security Response Center website.

Company

Resources

Contact

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