CVE-2021-43905

critical

Description

Microsoft Office app Remote Code Execution Vulnerability

References

https://github.com/jamese345/Vulnerability-Management-Lab-Windows-10-Endpoint

https://www.tenable.com/blog/microsofts-december-2021-patch-tuesday-addresses-67-cves-cve-2021-43890

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43905

Details

Source: Mitre, NVD

Published: 2021-12-15

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 9.6

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

Severity: Critical

EPSS

EPSS: 0.00348