CVE-2020-0814: 
vulnerability analysis and mitigation

An elevation of privilege vulnerability (CVE-2020-0814) exists in Windows Installer due to how it handles certain filesystem operations. The vulnerability was disclosed on March 12, 2020, affecting various Microsoft Windows operating systems. This vulnerability is unique and distinct from similar issues tracked as CVE-2020-0779, CVE-2020-0798, CVE-2020-0842, and CVE-2020-0843 (NVD).

The vulnerability has been assigned a CVSS v3.1 base score of 7.8 (HIGH) with the following vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. This indicates that the vulnerability requires local access and low privileges to exploit, but can result in high impacts to confidentiality, integrity, and availability (NVD).

If successfully exploited, this vulnerability could allow an attacker to gain elevated privileges on affected systems. The attacker would first need unprivileged execution access to the target system, after which they could potentially gain higher levels of system access (NVD).

Microsoft has released security updates to address this vulnerability. Users should apply the appropriate security updates for their affected Windows systems through Windows Update or Microsoft's security guidance (MSRC).