CVE-2025-62554: Microsoft Office Remote Code Execution Vulnerability
Published Dec 9, 2025
·Updated
Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.
Other sources
Microsoft Office Remote Code Execution Vulnerability
— Microsoft
Affected Software
26 affected componentsFixes available
Microsoft 365 Apps for Enterprise
Microsoft Office 2016
Microsoft Office LTSC 2021 for 32-bit editions
Microsoft Office 2019 for 32-bit editions
Microsoft Office LTSC 2021 for 64-bit editions
Microsoft Office LTSC 2024 for 32-bit editions
Microsoft 365 Apps for Enterprise
Microsoft Office LTSC 2024 for 64-bit editions
Microsoft Office 2019 for 64-bit editions
Microsoft Office for Android
Microsoft Office 2016
Microsoft Office LTSC for Mac 2024
Microsoft Office LTSC for Mac 2021
Microsoft 365 Apps
Microsoft 365 Apps
Microsoft 365 Copilot Android
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
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-2025-62554?
CVE-2025-62554 is a high-severity vulnerability that allows remote code execution in Microsoft Office.
2
How do I fix CVE-2025-62554?
To fix CVE-2025-62554, ensure you update your Microsoft Office software to the latest security patches provided by Microsoft.
3
Which Microsoft products are affected by CVE-2025-62554?
CVE-2025-62554 affects various Microsoft Office products including Office 2016, Office 2019, Office 2021, and Office LTSC 2024.
4
Can CVE-2025-62554 be exploited remotely?
Yes, CVE-2025-62554 can be exploited remotely by an unauthorized attacker to execute code locally.
5
Is there a workaround for CVE-2025-62554?
There is no official workaround for CVE-2025-62554, so patching is the recommended mitigation.