Severity
HIGH
CVSS
7.8
EPSS
0.53178
Risk score
49.81
CISA KEV
No
PoC
No
Published
2021-07-14
Modified
2026-08-10
First seen
2026-08-08
Aliases
EUVD-2021-21155, GHSA-Q4QR-976G-HX68
Products
Microsoft:Microsoft 365 Apps for Enterprise 16.0.1 <https://aka.ms/OfficeSecurityReleases, Microsoft:Microsoft Excel 2013 Service Pack 1 15.0.0.0 <15.0.5363.1000, Microsoft:Microsoft Excel 2016 16.0.0.0 <16.0.5188.100, Microsoft:Microsoft Excel 2016 16.0.0.0 <16.0.5188.1000, Microsoft:Microsoft Office 2019 19.0.0 <https://aka.ms/OfficeSecurityReleases, Microsoft:Microsoft Office 2019 for Mac 16.0.0 <16.51.210711.01, Microsoft:Microsoft Office Online Server 16.0.1 <16.0.10376.20001
Sources