Secure Boot Security Feature Bypass Vulnerability

How could an attacker exploit this vulnerability?
To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then trigger an event that could exploit the vulnerability and save an invalid state to a database or trigger other unintended actions.

What kind of security feature could be bypassed by successfully exploiting this vulnerability?
An attacker who successfully exploited this vulnerability could bypass Secure Boot.

Security updates
10.0.17763.6775 — https://support.microsoft.com/help/5050008
10.0.20348.3091 — https://support.microsoft.com/help/5049983
10.0.19044.5371 — https://support.microsoft.com/help/5049981
10.0.22621.4751 — https://support.microsoft.com/help/5050021
10.0.26100.2894 — https://support.microsoft.com/help/5050009
10.0.25398.1369 — https://support.microsoft.com/help/5049984
10.0.10240.20890 — https://support.microsoft.com/help/5050013
10.0.14393.7699 — https://support.microsoft.com/help/5049993
6.0.6003.23070 — https://support.microsoft.com/help/5050063
6.0.6003.23070 — https://support.microsoft.com/help/5050061
6.1.7601.27520 — https://support.microsoft.com/help/5050049
6.1.7601.27520 — https://support.microsoft.com/help/5050006
6.2.9200.25273 — https://support.microsoft.com/help/5050004
6.3.9600.22371 — https://support.microsoft.com/help/5050048