CVE-2025-21394: 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 Online Server
Microsoft Office LTSC for Mac 2024
Microsoft Office LTSC for Mac 2021
Microsoft Office 2019 for 32-bit editions
Microsoft Office LTSC 2021 for 64-bit editions
Microsoft Office 2019 for 64-bit editions
Microsoft Office LTSC 2024 for 64-bit editions
Microsoft Office LTSC 2021 for 32-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-2025-21394?
CVE-2025-21394 is classified as a critical remote code execution vulnerability in Microsoft Excel.
2
How do I fix CVE-2025-21394?
To fix CVE-2025-21394, update your Microsoft Excel or affected Office products to the latest version available.
3
Which products are affected by CVE-2025-21394?
CVE-2025-21394 affects various versions of Microsoft Office, including Office 2019, Office LTSC, and Excel 2016.
4
What does CVE-2025-21394 allow an attacker to do?
CVE-2025-21394 allows an attacker to execute arbitrary code on a victim's system by exploiting the vulnerability in Microsoft Excel.
5
How can I determine if I am at risk from CVE-2025-21394?
You can determine your risk from CVE-2025-21394 by checking if you are using an affected version of Microsoft Excel or Office products.