CVE-2026-82908

MSI Dragon Center MMIO Write Path NTIOLib_X64.sys MmioWritePath integer overflow

Published Aug 31, 2026 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title MSI Dragon Center MMIO Write Path NTIOLib_X64.sys MmioWritePath integer overflow
First Time appeared Msi
Msi dragon Center
Weaknesses CWE-189
CWE-190
CPEs cpe:2.3:a:msi:dragon_center:*:*:*:*:*:*:*:*
Vendors & Products Msi
Msi dragon Center
References
Metrics cvssV2_0

{'score': 6.8, 'vector': 'AV:L/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 8.8, 'vector': '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'}

cvssV3_1

{'score': 8.8, 'vector': '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'}

cvssV4_0

{'score': 9.3, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Sep 1, 2026, 1:57 PM
Reserved
Aug 31, 2026, 10:11 AM
Status
Deferred
Published
Aug 31, 2026, 9:17 PM
Modified
Sep 1, 2026, 8:47 PM