CVE-2025-21390: Microsoft Excel Remote Code Execution Vulnerability
Published Feb 11, 2025
·Updated
Microsoft Excel Remote Code Execution Vulnerability
Affected Software
26 affected componentsFixes available
Microsoft Office LTSC for Mac 2024
Microsoft Office LTSC for Mac 2021
Microsoft Office Online Server
Microsoft Office 2019 for 32-bit editions
Microsoft Office LTSC 2021 for 64-bit editions
Microsoft Office LTSC 2021 for 32-bit editions
Microsoft Office 2019 for 64-bit editions
Microsoft Office LTSC 2024 for 64-bit editions
Microsoft Office LTSC 2024 for 32-bit editions
Microsoft 365 Apps for Enterprise
Microsoft 365 Apps for Enterprise
Microsoft Excel 2016
Microsoft Excel 2016
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<16.0.10416.20058
Remediation
Event History
Feb 11, 2025
CVE Published
via Microsoft·08:00 AM
Data Sourced
via Microsoft·08:00 AM
DescriptionSeverityWeakness
CVE Published
via MITRE·05:58 PM
Data Sourced
via MITRE·05:58 PM
DescriptionSeverity
Data Sourced
via NVD·06:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2025-21390?
CVE-2025-21390 is classified as a critical remote code execution vulnerability in Microsoft Excel.
2
How do I fix CVE-2025-21390?
To fix CVE-2025-21390, apply the latest security updates provided by Microsoft for the affected versions of Excel.
3
Which versions of Microsoft Excel are affected by CVE-2025-21390?
CVE-2025-21390 affects various versions of Microsoft Excel, including Office LTSC, Microsoft 365 Apps, Excel 2016, and Office Online Server.
4
What type of attack does CVE-2025-21390 involve?
CVE-2025-21390 involves remote code execution, allowing attackers to run arbitrary code on a victim's machine.
5
Is there a workaround for CVE-2025-21390?
While updates are the best solution, users should avoid opening untrusted Excel files as a temporary workaround for CVE-2025-21390.