CVE-2021-38650
vulnerability analysis and mitigation

Overview

Microsoft Office Spoofing Vulnerability (CVE-2021-38650) was identified and disclosed in September 2021. This vulnerability affects multiple versions of Microsoft Office including Office 2013 SP1, Office 2016, Office 2019, and Microsoft 365 Apps Enterprise (NVD).

Technical details

The vulnerability has received varying severity assessments. According to the NVD, it has a CVSS v3.1 Base Score of 3.5 (LOW) with vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N. However, Microsoft's assessment indicates a higher severity with a CVSS v3.1 Base Score of 7.6 (HIGH) with vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N (NVD).

Impact

The vulnerability is classified as a spoofing vulnerability that could potentially allow an attacker to conduct spoofing attacks against Microsoft Office users (CVE).

Mitigation and workarounds

Microsoft has released security updates to address this vulnerability. For Office 2013 SP1 users, security update KB4484108 is available through Microsoft Update, Microsoft Update Catalog, or as a standalone package through the Microsoft Download Center (Microsoft Support).

Additional resources


SourceThis report was generated using AI

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