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CVE-2026-94146

BioStar BIOS Update Utility IOCTL BSMEM64_W10.sys sub_110BC write-what-where PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
BioStar / BIOS Update Utilityaffected 1.9.7.3

CWE

CWE-123, CWE-119

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.