CVE-2025-60727: 
vulnerability analysis and mitigation

An out-of-bounds read vulnerability (CVE-2025-60727) was discovered in Microsoft Office Excel, disclosed on November 11, 2025. This vulnerability affects multiple versions of Microsoft Office products including Excel 2016, Microsoft 365 Apps Enterprise, Office LTSC 2021, and Office 2019 (NVD).

The vulnerability is classified as an out-of-bounds read issue (CWE-125) that could allow unauthorized code execution. It received a CVSS v3.1 base score of 7.8 (HIGH) with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H, indicating local attack vector, low attack complexity, no privileges required, and user interaction required (NVD).

If successfully exploited, this vulnerability allows an unauthorized attacker to execute code locally on the affected system, potentially leading to unauthorized access to sensitive information and system compromise (Microsoft Support).

Microsoft has released security updates to address this vulnerability. Users are advised to install the latest security updates through Microsoft Update, Microsoft Update Catalog, or Microsoft Download Center. The updates are available through KB5002811 for Excel 2016 and related patches for other affected versions (Microsoft Support).