CVE-2026-94424
Moore Threads MTT S80 Driver Package IOCTL mtdispkm64.sys sub_140001000 heap-based overflow
- State
- Published
- Severity
- 9.3 Critical
- Published
- Sep 21, 2026
- Updated
- Sep 22, 2026
- Reserved
- Sep 21, 2026
Description
A vulnerability has been found in Moore Threads MTT S80 Driver Package up to 340.150. Impacted is the function sub_140001000 in the library mtdispkm64.sys of the component IOCTL Handler. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The vendor was contacted early about this disclosure but did not respond in any way.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.3 Critical | 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:X | VulDB |
| 3.1 | 8.8 High | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:X/RL:X/RC:R | VulDB |
| 3.0 | 8.8 High | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:X/RL:X/RC:R | VulDB |
| 2.0 | 6.8 Medium | AV:L/AC:L/Au:S/C:C/I:C/A:C/E:ND/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
MTT S80 Driver PackageMoore Threads |
|
References
- VDB-408150 | Moore Threads MTT S80 Driver Package IOCTL mtdispkm64.sys sub_140001000 heap-based overflowvdb-entrytechnical-description
- VDB-408150 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-94424 | CVE Analysis and Reportthird-party-advisory
- Submit #894806 | MOORE THREADS MTT S80 driver package v340.150 Buffer Overflowthird-party-advisory
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