Microsoft: Windows Elevation of Privilege Vulnerability
An elevation of privilege vulnerability exists in the way that ws2ifsl.sys (Winsock) handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated privileges. To exploit the vulnerability, a locally authenticated attacker could run a specially crafted application. The security update addresses the vulnerability by ensuring that ws2ifsl.sys properly handles objects in memory.
Windows RT 8.1,Windows Server, version 1903 (Server Core installation),Windows Server 2016,Windows Server, version 1803 (Server Core Installation),Windows Server 2012,Windows 8,Windows 7,Windows 10,Windows Server 2008,Windows Server 2019