CVE-2018-16711

HIGH

IObit Advanced SystemCare <1.2.0.5 - Code Injection

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-16711. PoCs published by DownWithUp.

AI-analyzed exploit summary This PoC exploits a vulnerability in IObit's WinRing0 driver to overwrite the MSR_LSTAR register, leading to a BSoD. It demonstrates a local privilege escalation by abusing the driver's IOCTL interface to write arbitrary values to model-specific registers.

Description

IObit Advanced SystemCare, which includes Monitor_win10_x64.sys or Monitor_win7_x64.sys, 1.2.0.5 (and possibly earlier versions) allows a user to send an IOCTL (0x9C402088) with a buffer containing user defined content. The driver's subroutine will execute a wrmsr instruction with the user's buffer for input.

Exploits (1)

nomisec WORKING POC 5 stars
by DownWithUp · poc
https://github.com/DownWithUp/CVE-2018-16711

This PoC exploits a vulnerability in IObit's WinRing0 driver to overwrite the MSR_LSTAR register, leading to a BSoD. It demonstrates a local privilege escalation by abusing the driver's IOCTL interface to write arbitrary values to model-specific registers.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: IObit WinRing0 driver (version 1.3.0)
No auth needed
Prerequisites: Vulnerable IObit WinRing0 driver installed · Local access to the system
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References
Third Party Advisory x_refsource_misc
https://downwithup.github.io/CVEPosts.html

Scores

CVSS v3 8.8
EPSS 0.0200
EPSS Percentile 78.3%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-119
Status published
Products (1)
iobit/advanced_systemcare < 1.2.0.5
Published Sep 26, 2018
Tracked Since Feb 18, 2026