CVE-2020-0726: 
vulnerability analysis and mitigation

CVE-2020-0726 is an elevation of privilege vulnerability that exists in Windows when the Win32k component fails to properly handle objects in memory. This vulnerability was disclosed in February 2020 and affects multiple versions of Microsoft Windows operating systems. The vulnerability is unique from several other Win32k-related vulnerabilities (CVE-2020-0691, CVE-2020-0719, CVE-2020-0720, CVE-2020-0721, CVE-2020-0722, CVE-2020-0723, CVE-2020-0724, CVE-2020-0725, CVE-2020-0731) (NVD, CVE).

The vulnerability has been assigned 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. The CVSS v2.0 base score is 7.2 (HIGH) with vector (AV:L/AC:L/Au:N/C:C/I:C/A:C). The vulnerability specifically relates to how the Win32k component handles objects in memory (NVD).

If successfully exploited, this vulnerability could allow an attacker to gain elevated privileges on the affected system. An attacker who successfully exploits this vulnerability could gain the same user rights as the current user. If the current user has administrative privileges, the attacker could take complete control of the affected system (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 update catalog (Microsoft Security Guide).