UrlMon Security Feature Bypass Vulnerability

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?
The user would have to click on a specially crafted URL to be compromised by the attacker.

What kind of security feature could be bypassed by successfully exploiting this vulnerability?
Successful exploitation of this vulnerability would allow an attacker to bypass the Office Protected View and open in editing mode rather than protected mode.

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 gather information specific to the environment and take additional actions prior to exploitation to prepare the target environment.

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?
Exploitation of the vulnerability requires that a user open a specially crafted Word file.
In an email attack scenario, an attacker could exploit the vulnerability by sending a link to the specially crafted Word file. An attacker would have no way to force users to visit the website. Instead, an attacker would have to convince users to open the file, typically by way of an enticement in an email or instant message.

Security updates
10.0.19045.5854 — https://support.microsoft.com/help/5058379
10.0.20348.3692 — https://support.microsoft.com/help/5058385
10.0.25398.1611 — https://support.microsoft.com/help/5058384
10.0.26100.4061 — https://support.microsoft.com/help/5058411
10.0.26100.3981 — https://support.microsoft.com/help/5058497
10.0.17763.7314 — https://support.microsoft.com/help/5058392
10.0.22631.5335 — https://support.microsoft.com/help/5058405
10.0.14393.8066 — https://support.microsoft.com/help/5058383
10.0.10240.21014 — https://support.microsoft.com/help/5058387
10.0.20348.3630 — https://support.microsoft.com/help/5058500