Microsoft: Windows Subsystem for Linux Elevation of Privilege Vulnerability
An elevation of privilege vulnerability exists due to a stack corruption in Windows Subsystem for Linux. An attacker who successfully exploited the vulnerability could execute code with elevated permissions. To exploit the vulnerability, a locally authenticated attacker could run a specially crafted application. The security update addresses the vulnerability by correcting how Windows Subsystem for Linux handles objects in memory.
Windows 10,Windows Server, version 1903 (Server Core installation)