A security feature bypass vulnerability exists when Windows fails to properly handle token relationships.An attacker who successfully exploited the vulnerability could allow an application with a certain integrity level to execute code at a different integrity level, leading to a sandbox escape.The update addresses the vulnerability by correcting how Windows handles token relationships, aka 'Windows Token Security Feature Bypass Vulnerability'.
| Software | From | Fixed in |
|---|---|---|
| microsoft / windows_server_2016 | 1903 | 1903.x |
| microsoft / windows_10 | 1903 | 1903.x |
| microsoft / windows_server_2016 | 1909 | 1909.x |
| microsoft / windows_10 | 1909 | 1909.x |