CVE-2020-0886: 
vulnerability analysis and mitigation

An elevation of privilege vulnerability exists in Windows Storage Services due to improper handling of file operations, identified as CVE-2020-0886. The vulnerability was initially recorded on November 4, 2019, affecting multiple versions of Windows operating systems including Windows 10, Windows 8.1, Windows RT 8.1, and various Windows Server editions (MITRE CVE, NVD).

The vulnerability has received a CVSS v3.1 base score of 7.8 (HIGH) with the vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H, and a CVSS v2.0 base score of 7.2 (HIGH) with the vector (AV:L/AC:L/Au:N/C:C/I:C/A:C). The vulnerability is associated with CWE-269, indicating issues related to privilege management (NVD).

If successfully exploited, this vulnerability allows an attacker to gain elevated privileges on the affected system. The high CVSS scores indicate significant potential impact on the confidentiality, integrity, and availability of the affected systems (NVD).

To exploit this vulnerability, an attacker would first need to achieve code execution on a target system. Once this prerequisite is met, the attacker could run a specially crafted application to exploit the vulnerability (MITRE CVE).

Microsoft has released a security update that addresses this vulnerability by ensuring the Windows Storage Services properly handle file operations. Users are advised to apply the available security patches (MITRE CVE).