Windows Kernel Elevation of Privilege Vulnerability

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

According to the CVSS metrics, successful exploitation of this vulnerability could lead to no loss of confidentiality (C:N) but have major impact on integrity (I:H) and on availability (A:H). What does that mean for this vulnerability?
This vulnerability does not allow disclosure of any confidential information, but could allow an attacker to delete data that could include data that results in the service being unavailable.

Security updates
10.0.17763.4252 — https://support.microsoft.com/help/5025229
10.0.20348.1668 — https://support.microsoft.com/help/5025230
10.0.19042.2846 — https://support.microsoft.com/help/5025221
10.0.22000.1817 — https://support.microsoft.com/help/5025224
10.0.22621.1555 — https://support.microsoft.com/help/5025239
10.0.10240.19869 — https://support.microsoft.com/help/5025234
10.0.14393.5850 — https://support.microsoft.com/help/5025228
6.0.6003.22015 — https://support.microsoft.com/help/5025271
6.0.6003.22015 — https://support.microsoft.com/help/5025273
6.1.7601.26466 — https://support.microsoft.com/help/5025279
6.1.7601.26466 — https://support.microsoft.com/help/5025277
6.2.9200.24216 — https://support.microsoft.com/help/5025287
6.2.9200.24216 — https://support.microsoft.com/help/5025272
6.3.9600.20919 — https://support.microsoft.com/help/5025285
6.3.9600.20919 — https://support.microsoft.com/help/5025288