Microsoft Windows CVE-2019-1423 Local Privilege Escalation Vulnerability



Date Discovered

November 12, 2019


Microsoft Windows is prone to a local privilege-escalation vulnerability. An attacker can exploit this issue to gain elevated privileges and execute arbitrary code.

Technologies Affected

  • Microsoft Windows 10 Version 1903 for 32-bit Systems
  • Microsoft Windows 10 Version 1903 for ARM64-based Systems
  • Microsoft Windows 10 Version 1903 for x64-based Systems
  • Microsoft Windows Server 1903


Permit local access for trusted individuals only. Where possible, use restricted environments and restricted shells.
Ensure that only trusted users have local, interactive access to affected computers.

Updates are available. Please see the references or vendor advisory for more information.



kkokkokye@THEORI working with Trend Micro's Zero Day Initiative, Polar Bear, and Conor McErlane.

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