CVE-2026-82908
MSI Dragon Center MMIO Write Path NTIOLib_X64.sys MmioWritePath integer overflow
- State
- Published
- Severity
- 9.3 Critical
- Published
- Aug 31, 2026
- Updated
- Sep 1, 2026
- Reserved
- Aug 31, 2026
Description
A vulnerability was found in MSI Dragon Center up to 2.0.155.0. Affected by this vulnerability is the function MmioWritePath in the library NTIOLib_X64.sys of the component MMIO Write Path Handler. Performing a manipulation of the argument count/elementSize results in integer overflow. The attack requires a local approach. 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.
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:P | 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:P/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:P/RL:X/RC:R | VulDB |
| 2.0 | 6.8 Medium | AV:L/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
Dragon CenterMSI |
|
References
- VDB-397288 | MSI Dragon Center MMIO Write Path NTIOLib_X64.sys MmioWritePath integer overflowvdb-entrytechnical-description
- VDB-397288 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-82908 | CVE Analysis and Reportthird-party-advisory
- Submit #877502 | MSI Dragon Center <=2.0.155.0 Integer Overflowthird-party-advisory
- https://drive.google.com/file/d/10o_-3GOMAvl3tDqQIWYw45rv7MpxYitk/viewexploit
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