CVE-2021-34518

HighCVSS 7.8/10Last modified Aug 10, 2026

Description

Microsoft Excel Remote Code Execution Vulnerability

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected software

VendorProductVersions
MicrosoftMicrosoft Excel 2013 Service Pack 1>= 15.0.0.0, < 15.0.5363.1000
MicrosoftMicrosoft Excel 2016>= 16.0.0.0, < 16.0.5188.100
MicrosoftMicrosoft Office Web Apps Server 2013 Service Pack 1>= 15.0.1, < 15.0.5363.1000

References

Timeline

Published
Jul 14, 2021
Last modified
Aug 10, 2026
NVD status
Modified

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CVE-2021-34518: High severity, CVSS 7.8 | Vulnix