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.