CVE-2025-62555: 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 Word 2016
Microsoft Office LTSC 2024 for 64-bit editions
Microsoft 365 Apps for Enterprise
Microsoft Office LTSC 2024 for 32-bit editions
Microsoft Office LTSC 2021 for 64-bit editions
Microsoft Office LTSC 2021 for 32-bit editions
Microsoft 365 Apps for Enterprise
Microsoft Office 2019 for 32-bit editions
Microsoft Office 2019 for 64-bit editions
Microsoft SharePoint Enterprise Server 2016
Microsoft SharePoint Server 2019
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
Frequently Asked Questions
1
What is the severity of CVE-2025-62555?
CVE-2025-62555 has a high severity rating due to its potential for remote code execution.
2
How do I fix CVE-2025-62555?
To fix CVE-2025-62555, apply the latest security updates provided by Microsoft for the affected versions of Word and other software.
3
What types of systems are affected by CVE-2025-62555?
CVE-2025-62555 affects various versions of Microsoft Word, Office LTSC, and SharePoint Server.
4
Can CVE-2025-62555 lead to data loss?
Yes, exploiting CVE-2025-62555 can potentially lead to unauthorized access and data loss.
5
Is CVE-2025-62555 being actively exploited?
As of the latest reports, CVE-2025-62555 is known to be actively targeted by attackers.