---
cve: "CVE-2026-94146"
severity: "CRITICAL"
cvss: 9.3
epss: "67%"
vendor: "BioStar"
kev: false
exploited: false
published: "2026-09-21 07:16:53"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-22T05:30:44+02:00"
---

# CVE-2026-94146

> 9.3 CRITICAL

## Beschreibung

A vulnerability was found in BioStar BIOS Update Utility 1.9.7.3. This issue affects the function sub_110BC of the file BSMEM64_W10.sys of the component IOCTL Handler. The manipulation of the argument PhysicalAddress/Size results in write-what-where condition. Attacking locally is a requirement. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

## CVSS-Vektor

```
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
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Lokal | good |
| AC Komplexität | Gering | bad |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |

## Referenzen

- <https://vuldb.com/vuln/408061>
- <https://vuldb.com/vuln/408061/cti>
- <https://vuldb.com/cve/CVE-2026-94146>
- <https://vuldb.com/submit/894066>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-94146) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_