---
id: CVE-2026-94142
title: >-
  A security vulnerability has been detected in BioStar Temperature Monitor
  Utility 1.2.1806.2200
summary: >-
  A security vulnerability has been detected in BioStar Temperature Monitor
  Utility 1.2.1806.2200. Affected by this vulnerability is the function
  sub_1105C of the file BS_HWMIO64_W10.sys of the component IOCTL Handler. Such
  manipulation of…
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-119
  - CWE-123
vendor: BioStar
product: Temperature Monitor Utility
affected:
  - temperature_monitor_utility 1.2.1806.2200
published: '2026-09-21'
updated: '2026-09-21'
sourceUpdated: '2026-09-21T20:17:40.953'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-94142'
references:
  - url: 'https://vuldb.com/cve/CVE-2026-94142'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/893919'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/408057'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/408057/cti'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/893919'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - cve.org
  - exploit-available
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-21T19:37:26.086862Z'
epss: 0.00182
epssPercentile: 0.07695
ingestedAt: '2026-09-21T05:31:59.918Z'
---

## Overview

A security vulnerability has been detected in BioStar Temperature Monitor Utility 1.2.1806.2200. Affected by this vulnerability is the function sub_1105C of the file BS_HWMIO64_W10.sys of the component IOCTL Handler. Such manipulation of the argument PhysicalAddress leads to write-what-where condition. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.