Windows Installer Elevation of Privilege Vulnerability

What privileges could be gained by an attacker who successfully exploited the vulnerability?
An attacker would only be able to delete targeted files on a system. They would not gain privileges to view or modify file contents.

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 run a specially crafted application that could exploit the vulnerability and take control of an affected system.

Security updates
10.0.17763.5576 — https://support.microsoft.com/help/5035849
10.0.20348.2340 — https://support.microsoft.com/help/5035857
10.0.20348.2333 — https://support.microsoft.com/help/5035959
10.0.22000.2836 — https://support.microsoft.com/help/5035854
10.0.19044.4170 — https://support.microsoft.com/help/5035845
10.0.22621.3296 — https://support.microsoft.com/help/5035853
10.0.25398.763 — https://support.microsoft.com/help/5035856
10.0.10240.20526 — https://support.microsoft.com/help/5035858
10.0.14393.6796 — https://support.microsoft.com/help/5035855
6.0.6003.22567 — https://support.microsoft.com/help/5035920
6.0.6003.22567 — https://support.microsoft.com/help/5035933
6.1.7601.27017 — https://support.microsoft.com/help/5035888
6.1.7601.27017 — https://support.microsoft.com/help/5035919
6.2.9200.24768 — https://support.microsoft.com/help/5035930
6.3.9600.21871 — https://support.microsoft.com/help/5035885