The Microsoft Device Guard on Microsoft Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows a security feature bypass by the way it handles Windows PowerShell sessions, aka "Microsoft Windows Security Feature Bypass".
http://www.securityfocus.com/bid/101102
http://www.securitytracker.com/id/1039526
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11823
Source: MITRE
Published: 2017-10-13
Updated: 2019-10-03
Type: CWE-362
Base Score: 7.2
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 3.9
Severity: HIGH
Base Score: 6.7
Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 0.8
Severity: MEDIUM