CVE-2026-94146 - BioStar BIOS Update Utility IOCTL BSMEM64_W10.sys sub_110BC write-what-where

CVE-2026-94146 - BioStar BIOS Update Utility IOCTL BSMEM64_W10.sys sub_110BC write-what-where

https://cvefeed.io/rssfeed/latest.atom / Mon, 09/21/2026 - 13:33
CVE ID :CVE-2026-94146
Published : Sept. 21, 2026, 7:16 a.m. | 3 hours, 53 minutes ago
Description :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.
Severity: 8.8 | HIGH
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