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CVE-2021-43256

HIGH CVSS: 7.8 Published: 2021-12-15 Modified: 2026-06-17

Description

Microsoft Excel Remote Code Execution Vulnerability

Affected Platforms

Microsoft 365 AppsMicrosoft Office Online ServerMicrosoft Office Long Term Servicing ChannelMicrosoft ExcelMicrosoft Excel RtMicrosoft OfficeMicrosoft Office Web Apps

Weakness Type

NVD-CWE-noinfo

References