CVE-2025-62558: Microsoft Word Remote Code Execution Vulnerability

Published Dec 9, 2025
·
Updated

Microsoft Word Remote Code Execution Vulnerability

Other sources

Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Microsoft

Affected Software

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

Event History

Dec 9, 2025
CVE Published
via Microsoft·08:00 AM
Data Sourced
via Microsoft·08:00 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·08:00 AM
Affected Software
Updated
via Microsoft·08:00 AM
Description
CVE Published
via MITRE·05:55 PM
Data Sourced
via MITRE·05:55 PM
DescriptionSeverity
Data Sourced
via NVD·06:16 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-62558?

CVE-2025-62558 is categorized as a high-severity remote code execution vulnerability in Microsoft Word.

2

How do I fix CVE-2025-62558?

To fix CVE-2025-62558, install the latest security updates provided by Microsoft for the affected software versions.

3

Which Microsoft products are affected by CVE-2025-62558?

CVE-2025-62558 affects several Microsoft products including Word 2016, Office LTSC for Mac 2024, and SharePoint Server 2019.

4

What is the impact of exploiting CVE-2025-62558?

Exploiting CVE-2025-62558 allows an unauthorized attacker to execute code remotely on the affected system.

5

How can I determine if my system is vulnerable to CVE-2025-62558?

To determine if your system is vulnerable to CVE-2025-62558, check if you are using any affected versions of Microsoft Word or other impacted software.

Contact

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