Windows Group Policy Elevation of Privilege Vulnerability

What privileges could be gained by an attacker who successfully exploited the vulnerability?
An attacker who successfully exploited this vulnerability could gain domain administrator privileges.

According to the CVSS metric, privileges required is high (PR:H). What does that mean for this vulnerability?
Successful exploitation of this vulnerability requires the attacker to have privileges to create Group Policy Templates. As is best practice, regular validation and audits of administrative groups should be conducted.

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?
Successful exploitation of this vulnerability requires an attacker to win a race condition.

Security updates
10.0.17763.3650 — https://support.microsoft.com/help/5019966
10.0.19043.2251 — https://support.microsoft.com/help/5019959
10.0.20348.1249 — https://support.microsoft.com/help/5019081
10.0.20348.1251 — https://support.microsoft.com/help/5019080
10.0.22000.1219 — https://support.microsoft.com/help/5019961
10.0.22621.819 — https://support.microsoft.com/help/5019980
10.0.10240.19567 — https://support.microsoft.com/help/5019970
10.0.14393.5501 — https://support.microsoft.com/help/5019964
6.1.7601.26221 — https://support.microsoft.com/help/5020000
6.1.7601.26221 — https://support.microsoft.com/help/5020013
6.3.9600.20671 — https://support.microsoft.com/help/5020023
6.3.9600.20670 — https://support.microsoft.com/help/5020010
6.0.6003.21768 — https://support.microsoft.com/help/5020019
6.0.6003.21768 — https://support.microsoft.com/help/5020005
6.2.9200.23968 — https://support.microsoft.com/help/5020009
6.2.9200.23968 — https://support.microsoft.com/help/5020003