CISA description
A privilege escalation vulnerability exists when Windows AppXSVC improperly handles hard links. An attacker who successfully exploited this vulnerability could run processes in an elevated context.
CVE-2019-0841 Ransomware
Microsoft · Windows
Microsoft Windows AppX Deployment Service (AppXSVC) Privilege Escalation Vulnerability
Required action
Apply updates per vendor instructions.
Notes & references
Where this lands in 800-53
Vulnerability data triggers these controls during assessment and continuous monitoring.