7.8
CWE
843
Advisory Published
CVE Published
Updated

CVE-2025-29791: Microsoft Excel Remote Code Execution Vulnerability

First published: Tue Apr 08 2025(Updated: )

<p>Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.</p>

Credit: secure@microsoft.com

Affected SoftwareAffected VersionHow to fix
Microsoft Office Long Term Servicing Channel for Mac
Microsoft Office Professional Plus 2016
Microsoft 365 Apps for enterprise
Microsoft Office LTSC 2021
Microsoft Office LTSC 2024
Microsoft Office Professional Plus 2016
Microsoft Office LTSC 2024
Microsoft Office 2019 for Mac
Microsoft Office 2019 for Mac
Microsoft 365 Apps for enterprise
Microsoft Office LTSC 2021
Microsoft Office Long Term Servicing Channel for Mac

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Frequently Asked Questions

  • What is the severity of CVE-2025-29791?

    CVE-2025-29791 is considered a critical vulnerability as it allows unauthorized local code execution.

  • How do I fix CVE-2025-29791?

    To fix CVE-2025-29791, update your affected Microsoft Office software to the latest version provided by Microsoft.

  • Which versions of Microsoft Office are affected by CVE-2025-29791?

    CVE-2025-29791 affects multiple versions including Microsoft Office 2016, 2019, 2021, and 365 Apps for Enterprise.

  • What type of vulnerability is CVE-2025-29791?

    CVE-2025-29791 is a type confusion vulnerability that can lead to resource access violations in Microsoft Office.

  • Can CVE-2025-29791 be exploited remotely?

    CVE-2025-29791 requires local access, meaning it cannot be exploited remotely without user interaction.

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