{"id":"CVE-2026-94146","title":"A vulnerability was found in BioStar BIOS Update Utility 1.9.7.3","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 writ…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","cwe":["CWE-119","CWE-123"],"vendor":"BioStar","product":"BIOS Update Utility","affected":["bios_update_utility 1.9.7.3"],"published":"2026-09-21","updated":"2026-09-21","sourceUpdated":"2026-09-21T13:33:33.387","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-94146","references":[{"url":"https://vuldb.com/cve/CVE-2026-94146","label":"cna@vuldb.com"},{"url":"https://vuldb.com/submit/894066","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/408061","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/408061/cti","label":"cna@vuldb.com"}],"tags":["nvd","cve.org"],"epss":0.00124,"epssPercentile":0.0248,"ingestedAt":"2026-09-21T07:33:19.003Z","slug":"CVE-2026-94146","body":"## Overview\n\nA 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}