CVE-2026-94142 PUBLISHED

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

Assigner: VulDB
Reserved: 20.09.2026 Published: 21.09.2026 Updated: 21.09.2026

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.

Metrics

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
CVSS Score: 9.3

Product Status

Vendor BioStar
Product Temperature Monitor Utility
Versions
  • Version 1.2.1806.2200 is affected

Credits

  • Bigcat (VulDB User) reporter
  • VulDB CNA Team coordinator

References

Problem Types

  • Write-what-where Condition CWE
  • Memory Corruption CWE