CVE-2021-34518
vulnerability analysis and mitigation

Overview

Microsoft Excel Remote Code Execution Vulnerability (CVE-2021-34518) was disclosed on June 9, 2021, affecting Microsoft Excel and Office Web Apps Server 2013. This security vulnerability required attention through Microsoft's July 2021 security updates (Microsoft Support).

Technical details

The vulnerability was identified as a remote code execution flaw in Microsoft Excel. Security updates were released on July 13, 2021, addressing this vulnerability across multiple versions of Microsoft Excel and Office Web Apps Server 2013 (Microsoft Support).

Impact

If successfully exploited, this vulnerability could allow remote code execution on affected systems running Microsoft Excel or Office Web Apps Server 2013 (MITRE CVE).

Mitigation and workarounds

Microsoft released security updates to address this vulnerability. Users can obtain the update through Microsoft Update, Microsoft Update Catalog, or Microsoft Download Center. For Excel 2016, specific update packages (KB5001977) were made available for both 32-bit and 64-bit versions (Microsoft Support).

Additional resources


SourceThis report was generated using AI

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