CVE-2024-20677: Microsoft Office Remote Code Execution Vulnerability
First published: Tue Jan 09 2024(Updated: )
<p>A security vulnerability exists in FBX that could lead to remote code execution. To mitigate this vulnerability, the ability to insert FBX files has been disabled in Word, Excel, PowerPoint and Outlook for Windows and Mac. Versions of Office that had this feature enabled will no longer have access to it. This includes Office 2019, Office 2021, Office LTSC for Mac 2021, and Microsoft 365. As of February 13, 2024, the ability to insert FBX files has also been disabled in 3D Viewer.</p> <p>3D models in Office documents that were previously inserted from a FBX file will continue to work as expected unless the Link to File option was chosen at insert time.</p> <p>This change is effective as of the January 9, 2024 security update.</p>
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft 365 Apps for Enterprise | ||
| Microsoft 365 Apps for Enterprise | ||
| Microsoft Office Long Term Servicing Channel for Mac | ||
| Microsoft 3D Viewer | ||
| Microsoft 365 | ||
| Microsoft Office | =2019 | |
| Microsoft Office Long Term Servicing Channel | =2021 | |
| Microsoft Office Long Term Servicing Channel for Mac | =2021 | |
| Microsoft Office 2019 for Mac | ||
| Microsoft Office 2019 for Mac | ||
| Microsoft Office LTSC 2021 | ||
| Microsoft Office LTSC 2021 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2024-20677?
CVE-2024-20677 is classified as a remote code execution vulnerability.
How do I fix CVE-2024-20677?
To mitigate CVE-2024-20677, ensure that the ability to insert FBX files is disabled in affected Microsoft Office applications.
Which versions of Microsoft Office are affected by CVE-2024-20677?
CVE-2024-20677 affects Microsoft 365 Apps for Enterprise, Office 2019, and Office LTSC 2021 in both 32-bit and 64-bit editions.
Is CVE-2024-20677 specific to Windows or Mac users?
CVE-2024-20677 affects both Windows and Mac users of the listed Microsoft Office applications.
What are the consequences of CVE-2024-20677 if left unaddressed?
If CVE-2024-20677 is not patched, attackers could potentially execute arbitrary code on a victim's system.
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