windows verified high v1.0.0

PDFWKRNL.sys

AMD USB-C Power Delivery Firmware Update Kernel Library driver with arbitrary physical memory read/write capabilities. Identified in ESET EDR killers research (March 2026) as actively abused by threat actors to disable EDR products.

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sc.exe create PDFWKRNL.sys binPath=C:\windows\temp\PDFWKRNL.sys type=kernel && sc.exe start PDFWKRNL.sys
sc.exe create PDFWKRNL.sys binPath=C:\windows\temp\PDFWKRNL.sys type=kernel && sc.exe start PDFWKRNL.sys

Sandbox: execFile · Timeout: 30s

Capabilities

security.privilegeescalation.kernel-exploit

Documentation

examples:

  • description: "Load the kernel driver" command: "sc.exe create PDFWKRNL.sys binPath=C:\\windows\\temp\\PDFWKRNL.sys type=kernel && sc.exe start PDFWKRNL.sys"
  • description: "Exploit the driver for privilege escalation" command: "Exploit.exe --driver PDFWKRNL.sys"

PDFWKRNL.sys

AMD USB-C Power Delivery Firmware Update Kernel Library driver with arbitrary physical memory read/write capabilities. Identified in ESET EDR killers research (March 2026) as actively abused by threat actors to disable EDR products.

Use Case: Elevate privileges

Required Privileges: kernel

MITRE ATT&CK: T1068

Variants: 2 known variants

References