CVE-2025-21390: Microsoft Excel Remote Code Execution Vulnerability
First published: Tue Feb 11 2025(Updated: )
Microsoft Excel Remote Code Execution Vulnerability
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Office LTSC 2024 for 32-bit editions | ||
| Microsoft Office LTSC 2021 for 32-bit editions | ||
| Microsoft Office Long Term Servicing Channel for Mac | ||
| Microsoft Office Long Term Servicing Channel for Mac | ||
| Microsoft Office LTSC 2021 for 64-bit editions | ||
| Microsoft 365 Apps for Enterprise | ||
| Microsoft 365 Apps for Enterprise | ||
| Microsoft Excel 2016 | ||
| Microsoft Office LTSC 2024 for 64-bit editions | ||
| Microsoft Office 2019 for 64-bit editions | ||
| Microsoft Excel 2016 | ||
| Microsoft Office Online Server | ||
| Microsoft Office 2019 for 32-bit editions | ||
| microsoft 365 apps | ||
| microsoft 365 apps | ||
| Microsoft Excel for Mac | =2016 | |
| Microsoft Excel for Mac | =2016 | |
| Microsoft Office | =2019 | |
| Microsoft Office | =2019 | |
| Microsoft Office | =2021 | |
| Microsoft Office | =2021 | |
| Microsoft Office | =2021 | |
| Microsoft Office | =2024 | |
| Microsoft Office | =2024 | |
| Microsoft Office | =2024 | |
| Microsoft Office Online Server | <16.0.10416.20058 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-21390?
CVE-2025-21390 is classified as a critical remote code execution vulnerability in Microsoft Excel.
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.
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.
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.
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.
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