CVE-2026-94146

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.

CVSS v3 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.0 / Impact : 6.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:S/C:C/I:C/A:C

Exploitability : 3.1 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://vuldb.com/cve/CVE-2026-94146
https://vuldb.com/submit/894066
https://vuldb.com/vuln/408061
https://vuldb.com/vuln/408061/cti

Configurations

No configuration.

History

21 Sep 2026, 07:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-21 07:16

Updated : 2026-09-22 16:18

NVD link : CVE-2026-94146

Mitre link : CVE-2026-94146

CVE.ORG link : CVE-2026-94146

JSON object : View

Products Affected

No product.

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-123

Write-what-where Condition

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