Microsoft SharePoint Server Information Disclosure Vulnerability

There are multiple update packages available for some of the affected software. Do I need to install all the updates listed in the Security Updates table for the software?
Yes. Customers should apply all updates offered for the software installed on their systems. If multiple updates apply, they can be installed in any order.

What type of information could be disclosed by this vulnerability?
The type of information that could be disclosed if an attacker successfully exploited this vulnerability is sensitive information.

According to the CVSS metric, privileges required is low (PR:L). What does that mean for this vulnerability?
The attacker must be authenticated to the target site as at least a Site Member and have edit permissions for the site.

Security updates
16.0.10401.20025 — https://support.microsoft.com/help/5002436
16.0.10401.20025 — https://support.microsoft.com/help/5002422
16.0.16130.20684 — https://support.microsoft.com/help/5002437