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9.3
CVE-2026-94424: Moore Threads MTT S80 driver can overflow memory
CVE-2026-94424 · published 4 days ago
Summary
The Moore Threads MTT S80 driver package contains a flaw that can cause it to write past the end of a memory area when handling certain commands. This could allow someone with local access to take control of the system or cause it to crash. Apply any available driver updates or remove the driver until a fix is released.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| moore threads | mtt s80 driver package | 340.150 |
Original advisory text
Moore Threads MTT S80 Driver Package IOCTL mtdispkm64.sys sub_140001000 heap-based overflow
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.
Severity
9.3
Critical
CVSS 3.1: 8.8 (MITRE)
Exploitation
EPSS <1%
Type
CWE-122Heap-based Buffer Overflow
CWE-119Buffer Overflow
Timeline
Published21 Sep 2026
Updated25 Sep 2026
First seen21 Sep 2026
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