CVE-2020-17011: 
vulnerability analysis and mitigation

Windows Port Class Library Elevation of Privilege Vulnerability (CVE-2020-17011) was disclosed on November 10, 2020. This vulnerability affects various versions of Microsoft Windows operating systems and could allow an attacker to gain elevated privileges (Rapid7).

The vulnerability has been assigned a CVSS score of 7.0 (High), indicating significant severity. The attack requires local access (AV:L) with low attack complexity (AC:L) and no authentication (Au:N), potentially resulting in complete compromise of confidentiality, integrity, and availability (C:C/I:C/A:C) (Rapid7).

If successfully exploited, this vulnerability could allow an attacker to elevate their privileges on affected Windows systems, potentially gaining complete control over the compromised system (Rapid7).

The vulnerability requires local access to the system for exploitation. No public exploits are known to be available at the time of disclosure (Rapid7).

Microsoft has released security updates to address this vulnerability. The fixes are available through various KB updates including KB4586781, KB4586785, KB4586786, KB4586787, KB4586793, KB4586808, KB4586823, and KB4586830 for different versions of Windows (Rapid7).