CVE-2025-66676

MEDIUM

IObit Unlocker 1.3.0.11 - Denial of Service via Crafted Request

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2025-66676. PoCs published by cwjchoi01.

AI-analyzed exploit summary This PoC exploits a vulnerability in IObit Unlocker's driver by sending a crafted IOCTL request to terminate processes. It loads a vulnerable driver, sends malicious input via DeviceIoControl, and unloads the driver afterward.

Description

An issue in IObit Unlocker v1.3.0.11 allows attackers to cause a Denial of Service (DoS) via a crafted request.

Exploits (1)

nomisec WORKING POC
by cwjchoi01 · poc
https://github.com/cwjchoi01/CVE-2025-66676

This PoC exploits a vulnerability in IObit Unlocker's driver by sending a crafted IOCTL request to terminate processes. It loads a vulnerable driver, sends malicious input via DeviceIoControl, and unloads the driver afterward.

Classification
Working Poc 90%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: IObit Unlocker (driver version unspecified)
Auth required
Prerequisites: Local access to the system · IObit Unlocker driver installed · Administrative privileges to load/unload drivers
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2

Scores

CVSS v3 6.2
EPSS 0.0016
EPSS Percentile 5.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-400
Status published
Products (1)
iobit/iobit_unlocker 1.3.0.11
Published Feb 13, 2026
Tracked Since Feb 18, 2026