Windows Common Log File System Driver 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 metric, privileges required is low (PR:L). What does that mean for this vulnerability?
Any authenticated attacker could trigger this vulnerability. It does not require admin or other elevated privileges.

Security updates
10.0.17763.4851 — https://support.microsoft.com/help/5030214
10.0.20348.1970 — https://support.microsoft.com/help/5030216
10.0.20348.1964 — https://support.microsoft.com/help/5030325
10.0.22000.2416 — https://support.microsoft.com/help/5030217
10.0.19044.3448 — https://support.microsoft.com/help/5030211
10.0.22621.2283 — https://support.microsoft.com/help/5030219
10.0.10240.20162 — https://support.microsoft.com/help/5030220
10.0.14393.6252 — https://support.microsoft.com/help/5030213
6.0.6003.22264 — https://support.microsoft.com/help/5030271
6.0.6003.22264 — https://support.microsoft.com/help/5030286
6.1.7601.26713 — https://support.microsoft.com/help/5030265
6.1.7601.26713 — https://support.microsoft.com/help/5030261
6.2.9200.24462 — https://support.microsoft.com/help/5030278
6.2.9200.24462 — https://support.microsoft.com/help/5030279
6.3.9600.21563 — https://support.microsoft.com/help/5030269
6.3.9600.21563 — https://support.microsoft.com/help/5030287