Buffer overflow in Biostar Temperature Monitor Utility
CVE-2026-94142
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (7.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 7.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Biostar Temperature Monitor Utility — versions 1.2.1806.2200
Weakness classification (CWE)
References
- vuldb.com/vuln/408057 (technical-description, vdb-entry)
- vuldb.com/vuln/408057/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-94142 (third-party-advisory)
- vuldb.com/submit/893919 (third-party-advisory)
Frequently asked questions
- What is CVE-2026-94142?
- CVE-2026-94142 is a high-severity vulnerability in Biostar Temperature Monitor Utility, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-09-21.
- How severe is CVE-2026-94142?
- High severity. CVSS v3 base score is 8.8 out of 10.