CVE-2023-33131: Microsoft Outlook Remote Code Execution Vulnerability

Published Jun 13, 2023
·
Updated

Microsoft Outlook Remote Code Execution Vulnerability

Affected Software

20 affected componentsFixes available
Microsoft Office=2019
Microsoft Office=2019
Microsoft Office Long Term Servicing Channel=2021
Microsoft Office Long Term Servicing Channel=2021
Microsoft Outlook=2013-sp1
Microsoft Outlook=2013-sp1
Microsoft Outlook=2016
Microsoft Outlook=2016
Microsoft Outlook Rt=2013-sp1
Microsoft Office LTSC 2021 for 32-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Outlook 2016<16.0.5400.1000
16.0.5400.1000
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 Outlook 2016<16.0.5400.1000
16.0.5400.1000
Microsoft Office 2019 for 64-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Outlook 2013 RT<15.0.5563.1000
15.0.5563.1000
Microsoft 365 Apps for Enterprise<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Outlook 2013<15.0.5563.1000
15.0.5563.1000
Microsoft Outlook 2013<15.0.5563.1000
15.0.5563.1000
Microsoft Office 2019 for 32-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
  2. Upgrade

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

    Fixed in 16.0.5400.1000Patch KB5002387
  3. Upgrade

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

    Fixed in 15.0.5563.1000Patch KB5002382

Event History

Jun 13, 2023
CVE Published
via Microsoft·07:00 AM
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
Description
CVE Published
via MITRE·11:26 PM
Data Sourced
via MITRE·11:26 PM
DescriptionSeverity
Jun 14, 2023
Data Sourced
via NVD·12:15 AM
RemedyDescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is CVE-2023-33131?

CVE-2023-33131 is a Microsoft Outlook Remote Code Execution Vulnerability.

2

How severe is CVE-2023-33131?

CVE-2023-33131 has a severity level of high (8.8).

3

Which versions of Outlook are affected by CVE-2023-33131?

Outlook 2013 RT, Outlook 365 Apps for Enterprise, Office 2019, and Office LTSC 2021 are affected by CVE-2023-33131.

4

How do I fix CVE-2023-33131?

To fix CVE-2023-33131, apply the relevant security updates provided by Microsoft for your specific version of Outlook.

5

Where can I find more information about CVE-2023-33131?

You can find more information about CVE-2023-33131 on the Microsoft Security Response Center website.

Company

Resources

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