CVE-2021-31177

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

Microsoft Office 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

Weakness enumeration

Affected software

VendorProductVersions
MicrosoftMicrosoft Office 2019>= 19.0.0, < https://aka.ms/OfficeSecurityReleases
MicrosoftMicrosoft Office 2019 for Mac>= 16.0.0, < publication
MicrosoftMicrosoft Office Online Server>= 16.0.1, < 16.0.10374.20000
MicrosoftMicrosoft 365 Apps for Enterprise>= 16.0.1, < https://aka.ms/OfficeSecurityReleases
MicrosoftMicrosoft Excel 2016>= 16.0.0.0, < 16.0.5161.1000
MicrosoftMicrosoft Excel 2013 Service Pack 1>= 15.0.0.0, < 15.0.5345.1000
MicrosoftMicrosoft Office Web Apps Server 2013 Service Pack 1>= 15.0.1, < 15.0.5345.1000

References

Timeline

Published
May 11, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021