CVE-2020-0849: 
vulnerability analysis and mitigation

An elevation of privilege vulnerability exists when Windows improperly handles hard links, identified as CVE-2020-0849. This vulnerability was disclosed on March 12, 2020, and affects multiple versions of Microsoft Windows operating systems. The vulnerability is part of a group of similar issues, being unique from CVE-2020-0840, CVE-2020-0841, and CVE-2020-0896 (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, low attack complexity, low privileges, and no user interaction, while potentially impacting confidentiality, integrity, and availability at a high level (NVD).

If successfully exploited, this vulnerability could allow an attacker to gain elevated privileges on affected systems. The attacker could potentially gain the same user rights as the local user, with users having administrative rights being more severely impacted than those with fewer privileges (NVD).

Microsoft has released security updates to address this vulnerability. Users should apply the appropriate security patches through Windows Update to protect their systems (MSRC).