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Vulnerability DatabaseCVE-2025-21366
CVE-2025-21366:
vulnerability analysis and mitigation
Overview
Microsoft Access Remote Code Execution Vulnerability (CVE-2025-21366) was disclosed in January 2025. This vulnerability affects various versions of Microsoft Access and Microsoft Office products, including Microsoft 365 Apps, Access 2016, and Office 2019/2021/2024 versions for both x86 and x64 architectures (NVD, Microsoft Support).
Technical details
The vulnerability has been assigned a CVSS v3.1 base score of 7.8 HIGH with the following vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. The vulnerability is exploited by opening specially crafted Microsoft Access documents (NVD).
Impact
If successfully exploited, this vulnerability could allow an attacker to execute remote code on the target system, potentially gaining unauthorized access with the same privileges as the user running Microsoft Access (CrowdStrike).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability. The patches are available through Microsoft Update, Microsoft Update Catalog, and Microsoft Download Center. For Access 2016, specific security update KB5002670 has been released for both 32-bit and 64-bit versions (Microsoft Support).
Additional resources
Source: This report was generated using AI
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