CVE-2020-17382

HIGH

MSI AmbientLink MsIo64 driver 1.0.0.8 - Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 3 public exploits for CVE-2020-17382. PoCs published by Matteo Malvica, uf0o, typeconfused.

AI-analyzed exploit summary This exploit demonstrates a local privilege escalation vulnerability in MSI Ambient Link Driver 1.0.0.8 by leveraging a kernel stack-based buffer overflow to execute arbitrary shellcode, ultimately stealing a SYSTEM token for privilege escalation.

Description

The MSI AmbientLink MsIo64 driver 1.0.0.8 has a Buffer Overflow (0x80102040, 0x80102044, 0x80102050,and 0x80102054).

Exploits (3)

exploitdb WORKING POC
by Matteo Malvica · clocalwindows
https://www.exploit-db.com/exploits/48836

This exploit demonstrates a local privilege escalation vulnerability in MSI Ambient Link Driver 1.0.0.8 by leveraging a kernel stack-based buffer overflow to execute arbitrary shellcode, ultimately stealing a SYSTEM token for privilege escalation.

Classification
Working Poc 100%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: MSI Ambient Link Driver 1.0.0.8
No auth needed
Prerequisites: Windows 10 1709 · MSI Ambient Link Driver 1.0.0.8 installed
devstral-2 · analyzed Feb 18, 2026 Full analysis →
nomisec WORKING POC 115 stars
by uf0o · poc
https://github.com/uf0o/CVE-2020-17382

This repository contains functional privilege escalation exploits for CVE-2020-17382, targeting Windows 10 1709 and Windows 7 x64 SP1. The exploits leverage a kernel stack-based buffer overflow in the MSI Ambient Link driver to achieve local privilege escalation via token stealing.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: MSI Ambient Link Driver (MsIo.sys) on Windows 10 1709 and Windows 7 x64 SP1
No auth needed
Prerequisites: Vulnerable MSI Ambient Link driver installed · Local access to the target system
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec WORKING POC 1 stars
by typeconfused · poc
https://github.com/typeconfused/CVE-2020-17382

This is a functional exploit for CVE-2020-17382, a Windows kernel vulnerability in the MsIo driver. It leverages a type confusion bug to achieve local privilege escalation (LPE) via a crafted IOCTL call, executing a token-stealing shellcode payload to obtain SYSTEM privileges.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: Windows 10 x64 2004 Build 19041.264 (MsIo driver)
No auth needed
Prerequisites: Access to a vulnerable Windows 10 system with the MsIo driver loaded · Non-KVA Shadow and non-VBS environment
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3

Scores

CVSS v3 7.8
EPSS 0.1282
EPSS Percentile 94.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (1)
msi/ambientlink_mslo64_firmware 1.0.0.8
Published Oct 02, 2020
Tracked Since Feb 18, 2026