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Vulnerability DatabaseCVE-2021-40472
CVE-2021-40472:
vulnerability analysis and mitigation
Overview
Microsoft Excel Information Disclosure Vulnerability (CVE-2021-40472) was identified and disclosed in October 2021. The vulnerability affects multiple Microsoft products including Microsoft 365 Apps Enterprise, Excel 2016, Office 2013 SP1, Office 2016, Office 2019, Office LTSC 2021, and Office Online Server (NVD).
Technical details
The vulnerability has been assigned a CVSS v3.1 Base Score of 5.5 (Medium) with the vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. This indicates a local attack vector, low attack complexity, low privileges required, no user interaction needed, and potential for high confidentiality impact without affecting integrity or availability (NVD).
Impact
This vulnerability could lead to information disclosure in Microsoft Excel, potentially exposing sensitive data to unauthorized access (Microsoft Support).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability. The fixes are available through Microsoft Update, Microsoft Update Catalog, and Microsoft Download Center. For Office Web Apps Server 2013, users need to have Service Pack 1 installed before applying the security update (Microsoft Support).
Additional resources
Source: This report was generated using AI
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