CVE-2026-94146
9.3
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
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| BioStar | BIOS Update Utility | 1.9.7.3 | affected |
Weaknesses
- CWE-123: Write-what-where Condition
- CWE-119: Memory Corruption
References
- https://vuldb.com/vuln/408061
- https://vuldb.com/vuln/408061/cti
- https://vuldb.com/cve/CVE-2026-94146
- https://vuldb.com/submit/894066
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