CVE-2023-36046: Windows Authentication Denial of Service Vulnerability

According to the CVSS metrics, successful exploitation of this vulnerability does not impact confidentiality (C:N) but has major impact on integrity (I:H) and availability (A:H). What does that mean for this vulnerability?

An attacker who successfully exploits this vulnerability cannot access existing files (C:N) but can write or overwrite file contents (I:H), which potentially may cause the system to become unavailable (A:H).