{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-94146","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-09-20T20:31:10.779Z","datePublished":"2026-09-21T07:00:09.909Z","dateUpdated":"2026-09-22T15:41:23.071Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-09-21T07:00:09.909Z"},"title":"BioStar BIOS Update Utility IOCTL BSMEM64_W10.sys sub_110BC write-what-where","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-123","lang":"en","description":"Write-what-where Condition"}]},{"descriptions":[{"type":"CWE","cweId":"CWE-119","lang":"en","description":"Memory Corruption"}]}],"affected":[{"vendor":"BioStar","product":"BIOS Update Utility","versions":[{"version":"1.9.7.3","status":"affected"}],"cpes":["cpe:2.3:o:biostar:bios_update_utility:*:*:*:*:*:*:*:*"],"modules":["IOCTL Handler"]}],"descriptions":[{"lang":"en","value":"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."}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":9.3,"vectorString":"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","baseSeverity":"CRITICAL"}},{"cvssV3_1":{"version":"3.1","baseScore":8.8,"vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R","baseSeverity":"HIGH"}},{"cvssV3_0":{"version":"3.0","baseScore":8.8,"vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R","baseSeverity":"HIGH"}},{"cvssV2_0":{"version":"2.0","baseScore":6.8,"vectorString":"AV:L/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR"}}],"timeline":[{"time":"2026-09-20T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-09-20T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-09-20T22:36:15.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"Bigcat (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB CNA Team","type":"coordinator"}],"references":[{"url":"https://vuldb.com/vuln/408061","name":"VDB-408061 | BioStar BIOS Update Utility IOCTL BSMEM64_W10.sys sub_110BC write-what-where","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/408061/cti","name":"VDB-408061 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-94146","name":"CVE-2026-94146 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/894066","name":"Submit #894066 | BIOSTAR Group BIOS Update Utility 1.9.7.3 Arbitrary Kernel Memory Read/Write","tags":["third-party-advisory"]}],"x_generator":["VulDB PVTS v202609"]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-22T14:53:51.834725Z","id":"CVE-2026-94146","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-22T15:41:23.071Z"}}]}}