Buffer overflow in Moore Threads Mtt S80 Driver Package
CVE-2026-94424
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.
Vulnerability class: Buffer Overflow
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Moore Threads Mtt S80 Driver Package — versions 340.150
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-94424?
- CVE-2026-94424 is a high-severity vulnerability in Moore Threads Mtt S80 Driver Package, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-09-21.
- How severe is CVE-2026-94424?
- High severity. CVSS v3 base score is 8.8 out of 10.