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TI-2026-63431 Aliases CVE-2026-94424GHSA-wj8c-932v-h34p

Moore Threads MTT S80 Driver Package IOCTL mtdispkm64.sys sub_140001000 heap-based overflow

Priority MEDIUM 41CWE-119Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00196 9th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Moore ThreadsMTT S80 Driver Package340.150—No fix listedCNA
  • MTT S80 Driver Package VendorMoore Threads Affected 340.150 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:moore_threads:mtt_s80_driver_package:*:*:*:*:*:*:*:*——Moore Threads
  • cpe:2.3:a:moore_threads:mtt_s80_driver_package:*:*:*:*:*:*:*:* Versions — — ·Moore Threads

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-94424
  2. 2026-10-03 Alias added: GHSA-wj8c-932v-h34p

References

—

  • TI-2026-63432 Moore Threads MTT S80 Driver Package IOCTL mtdispkm64.sys sub_140006F0C privileges management CVSS 4.0CRITICAL 9.3

Sources