Microsoft Excel Security Feature Bypass Vulnerability

What kind of security feature could be bypassed by successfully exploiting this vulnerability?
Opening a malicious file could bypass the Microsoft Office Trust Center external links check. External links can include Dynamic Data Exchange (DDE) and/or references to other workbooks. See Block or unblock external content in Office documents - Microsoft Support for descriptions of related Trust Center settings.

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?
An attacker must send the user a malicious file and convince them to open it.

According to the CVSS metrics, successful exploitation of this vulnerability could lead to major loss of confidentiality (C:H), integrity (I:H), and availability (A:H). What does that mean for this vulnerability?
An attacker who successfully exploited this vulnerability could gain high privileges, which include read, write, and delete functionality.

Security updates
https — https://docs.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates
16.79.23111019 — https://go.microsoft.com/fwlink/p/?linkid=831049
16.0.5422.1000 — https://support.microsoft.com/help/5002518