Windows CNG Key Isolation Service Elevation of Privilege Vulnerability

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.

According to the CVSS metric, successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability?
In this case, a successful attack could be performed from a low privilege AppContainer. The attacker could elevate their privileges and execute code or access resources at a higher integrity level than that of the AppContainer execution environment.

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

Security updates
10.0.17763.5820 — https://support.microsoft.com/help/5037765
10.0.20348.2461 — https://support.microsoft.com/help/5037782
10.0.20348.2458 — https://support.microsoft.com/help/5037848
10.0.22000.2960 — https://support.microsoft.com/help/5037770
10.0.19044.4412 — https://support.microsoft.com/help/5037768
10.0.22621.3593 — https://support.microsoft.com/help/5037771
10.0.25398.887 — https://support.microsoft.com/help/5037781
10.0.10240.20651 — https://support.microsoft.com/help/5037788
10.0.14393.6981 — https://support.microsoft.com/help/5037763
6.0.6003.22668 — https://support.microsoft.com/help/5037800
6.0.6003.22668 — https://support.microsoft.com/help/5037836
6.1.7601.27117 — https://support.microsoft.com/help/5037780
6.1.7601.27117 — https://support.microsoft.com/help/5037803
6.2.9200.24868 — https://support.microsoft.com/help/5037778
6.3.9600.21972 — https://support.microsoft.com/help/5037823