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CVE-2026-94142

BioStar Temperature Monitor Utility IOCTL BS_HWMIO64_W10.sys sub_1105C write-what-where

CVSS 4.0 9.3 CRITICALCVSS 3.1 8.8 HIGHCVSS 3.0 8.8 HIGHCVSS 2.0 6.8 Check source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-94142

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-94142

Published

Temperature Monitor Utility

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "BioStar",
                    "product": "Temperature Monitor Utility",
                    "versions": [
                        {
                            "version": "1.2.1806.2200",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:biostar:temperature_monitor_utility:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "IOCTL Handler"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON