CVE-2025-62203: Microsoft Excel Remote Code Execution Vulnerability
Published Nov 11, 2025
·Updated
Microsoft Excel Remote Code Execution Vulnerability
Other sources
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
— Microsoft
Affected Software
26 affected componentsFixes available
Microsoft 365 Apps for Enterprise
Microsoft Office LTSC 2021 for 32-bit editions
Microsoft Excel 2016
Microsoft Excel 2016
Microsoft Office LTSC 2021 for 64-bit editions
Microsoft Office LTSC 2024 for 64-bit editions
Microsoft Office LTSC 2024 for 32-bit editions
Microsoft Office 2019 for 32-bit editions
Microsoft Office 2019 for 64-bit editions
Microsoft 365 Apps for Enterprise
Microsoft Office Online Server
Microsoft Office LTSC for Mac 2024
Microsoft Office LTSC for Mac 2021
Microsoft 365 Apps
Microsoft 365 Apps
Microsoft Excel=2016
Microsoft Excel=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 Office Online Server<16.0.10417.20068
Event History
Nov 11, 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·05:59 PM
Data Sourced
via MITRE·05:59 PM
DescriptionSeverity
Data Sourced
via NVD·06:15 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2025-62203?
CVE-2025-62203 is classified as a critical vulnerability due to its potential for remote code execution.
2
How do I fix CVE-2025-62203?
To fix CVE-2025-62203, apply the latest security patches provided by Microsoft for the affected software products.
3
What products are affected by CVE-2025-62203?
CVE-2025-62203 affects various versions of Microsoft Excel, Office LTSC, and Microsoft 365 Apps.
4
Can CVE-2025-62203 be exploited remotely?
Yes, CVE-2025-62203 allows unauthorized attackers to execute code locally, potentially making it exploitable remotely.
5
Is there a workaround for CVE-2025-62203?
Currently, the best action against CVE-2025-62203 is to update to the latest version of the affected Microsoft software.