CVE-2025-21354: Microsoft Excel Remote Code Execution Vulnerability
Published Jan 14, 2025
·Updated
Microsoft Excel Remote Code Execution Vulnerability
Affected Software
22 affected componentsFixes available
Microsoft Office Online Server
Microsoft Office LTSC for Mac 2021
Microsoft Office LTSC for Mac 2024
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 2021 for 32-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 365 Apps
Microsoft 365 Apps
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<16.0.10416.20047
Remediation
Event History
Jan 14, 2025
CVE Published
via Microsoft·08:00 AM
Data Sourced
via Microsoft·08:00 AM
DescriptionSeverityWeakness
CVE Published
via MITRE·06:04 PM
Data Sourced
via MITRE·06:04 PM
DescriptionSeverity
Data Sourced
via NVD·06:16 PM
RemedyDescriptionSeverityWeaknessAffected Software
Jan 15, 2025
News Published
via The Register·01:33 AM
News Published
via The Register·01:36 AM
Frequently Asked Questions
1
What is the severity of CVE-2025-21354?
CVE-2025-21354 is classified as a critical remote code execution vulnerability in Microsoft Excel.
2
How can I fix CVE-2025-21354?
To remediate CVE-2025-21354, ensure that you apply the latest security updates provided by Microsoft for affected Excel versions.
3
Which Microsoft products are affected by CVE-2025-21354?
CVE-2025-21354 affects various editions of Microsoft Office including Office 2019, Office LTSC, and Office 365 Apps.
4
How does CVE-2025-21354 impact users?
Exploitation of CVE-2025-21354 can allow attackers to execute arbitrary code on the affected system, potentially compromising sensitive information.
5
Is there a known exploit for CVE-2025-21354?
Currently, there is no public information regarding active exploits for CVE-2025-21354, but it is crucial to apply patches promptly.