Microsoft Excel Use-After-Free Vulnerability Allowing Local Code Execution

A use-after-free vulnerability has been identified in Microsoft Office Excel. This vulnerability allows an unauthorized attacker to execute code locally. It affects several versions of Excel, including Excel 2016 (both 32-bit and 64-bit editions), Microsoft Office LTSC for Mac 2021 and 2024, Microsoft Office LTSC 2021 and 2024 (both 32-bit and 64-bit editions), and Microsoft 365 Apps for Enterprise (also in 32-bit and 64-bit systems)

Impact

Exploitation of this vulnerability could lead to unauthorized local code execution.

Remediation

Users can download the security update for this vulnerability through the Microsoft Update Catalog. For Microsoft Office LTSC for Mac 2021 and 2024, the security update will be released as soon as possible, and customers will be notified via a revision to this CVE information.