CVE-2025-53733: Microsoft Word Remote Code Execution Vulnerability

Published Aug 12, 2025
·
Updated

Incorrect conversion between numeric types in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Other sources

Microsoft Word Remote Code Execution Vulnerability

Microsoft

Affected Software

32 affected componentsFixes available
Microsoft Office LTSC 2021 for 64-bit editions
Microsoft Office 2019 for 32-bit editions
Microsoft 365 Apps for Enterprise
Microsoft 365 Apps for Enterprise
Microsoft Office 2019 for 64-bit editions
Microsoft Office LTSC 2021 for 32-bit editions
Microsoft Office LTSC for Mac 2021
Microsoft Office LTSC for Mac 2024
Microsoft Office LTSC 2024 for 32-bit editions
Microsoft Office LTSC 2024 for 64-bit editions
Microsoft SharePoint Enterprise Server 2016
Microsoft SharePoint Server 2019
Microsoft Word 2016
Microsoft Word 2016
Microsoft 365 Apps
Microsoft 365 Apps
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 Enterprise Server=2016
Microsoft SharePoint Server=2019
Microsoft Word=2016
Microsoft Word=2016
Microsoft SharePoint Server 2019
Microsoft SharePoint Enterprise Server 2016
Microsoft Word 2016
Microsoft Word 2016

Event History

Aug 14, 2024
News Published
12:45 AM
Aug 12, 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·05:10 PM
Data Sourced
via MITRE·05:10 PM
DescriptionSeverity
Data Sourced
via NVD·06:15 PM
DescriptionSeverityWeaknessAffected Software
News Published
via The Register·11:34 PM
News Published
via The Register·11:38 PM
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Frequently Asked Questions

1

What is the severity of CVE-2025-53733?

CVE-2025-53733 has been classified as a critical vulnerability due to its potential for remote code execution.

2

How do I fix CVE-2025-53733?

To fix CVE-2025-53733, users should update their affected Microsoft Office products to the latest security patches provided by Microsoft.

3

What systems are affected by CVE-2025-53733?

CVE-2025-53733 affects multiple versions of Microsoft Office including Office 2019, Office LTSC 2021, SharePoint Enterprise Server 2016, and SharePoint Server 2019.

4

What type of vulnerability is CVE-2025-53733?

CVE-2025-53733 is categorized as a remote code execution vulnerability that arises from incorrect conversion between numeric types.

5

Can CVE-2025-53733 be exploited locally?

Yes, CVE-2025-53733 allows an unauthorized attacker to execute code locally on the vulnerable system.

Contact

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