CVE-2025-54906: Microsoft Office Remote Code Execution Vulnerability

Published Sep 9, 2025
·
Updated

Free of memory not on the heap in Microsoft Office allows an unauthorized attacker to execute code locally.

Other sources

Microsoft Office Remote Code Execution Vulnerability

Microsoft

Affected Software

28 affected componentsFixes available
Microsoft Office LTSC 2024 for 32-bit editions
Microsoft Office LTSC 2024 for 64-bit editions
Microsoft 365 Apps for Enterprise
Microsoft 365 Apps for Enterprise
Microsoft Office LTSC 2021 for 32-bit editions
Microsoft Office LTSC 2021 for 64-bit editions
Microsoft Office 2019 for 64-bit editions
Microsoft SharePoint Enterprise Server 2016
Microsoft Office 2019 for 32-bit editions
Microsoft SharePoint Server 2019
Microsoft 365 Apps
Microsoft 365 Apps
Microsoft Office=2016
Microsoft Office=2016
Microsoft Office=2019
Microsoft Office=2019
Microsoft Office Long Term Servicing Channel=2021
Microsoft Office Long Term Servicing Channel=2021
Microsoft Office Long Term Servicing Channel Macos=2021
Microsoft Office Long Term Servicing Channel=2024
Microsoft Office Long Term Servicing Channel=2024
Microsoft Office Long Term Servicing Channel Macos=2024
Microsoft SharePoint Server=2016
Microsoft SharePoint Server=2019
Microsoft Office LTSC for Mac 2024
Microsoft Office LTSC for Mac 2021

Event History

Sep 9, 2025
CVE Published
via Microsoft·07:00 AM
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
Description
CVE Published
via MITRE·05:00 PM
Data Sourced
via MITRE·05:00 PM
DescriptionSeverity
Data Sourced
via NVD·05:16 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-54906?

The CVE-2025-54906 vulnerability is classified as a remote code execution vulnerability with high severity.

2

How do I fix CVE-2025-54906?

To mitigate CVE-2025-54906, users should apply the latest security updates available for their affected Microsoft Office products.

3

Which versions of Microsoft Office are affected by CVE-2025-54906?

CVE-2025-54906 affects multiple versions of Microsoft Office, including Office LTSC 2024, Office 2016, Office 2019, and various SharePoint Server versions.

4

Can CVE-2025-54906 be exploited remotely?

Yes, CVE-2025-54906 can be exploited remotely by an unauthorized attacker to execute code locally.

5

What type of vulnerability is CVE-2025-54906?

CVE-2025-54906 is a remote code execution vulnerability that occurs due to improper memory handling in Microsoft Office.

Contact

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