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CVE-2026-82908— MSI Dragon Center MMIO Write Path NTIOLib_X64.sys MmioWritePath integer overflow

Quick assessment

Affected
MSI Dragon Center
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

msi dragon center是中国台湾msi公司的一个硬件控制中心软件。 msi dragon center 2.0.155.0及之前版本存在数字错误漏洞，该漏洞源于MmioWritePath函数对count/elementSize参数的错误操作，导致整数溢出。

CVSS 8.8 · High EPSS 0.18% · P8

Affected Version Matrix 1

VendorProduct Version RangeStatus
MSI Dragon Center 2.0.155 affected
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I. Basic Information for CVE-2026-82908

Vulnerability Information
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Vulnerability Title
MSI Dragon Center MMIO Write Path NTIOLib_X64.sys MmioWritePath integer overflow
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
Source: CVE Program / CVE List V5
Vulnerability Title
msi dragon center 数字错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
msi dragon center是中国台湾msi公司的一个硬件控制中心软件。 msi dragon center 2.0.155.0及之前版本存在数字错误漏洞，该漏洞源于MmioWritePath函数对count/elementSize参数的错误操作，导致整数溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
MSI Dragon Center 2.0.155 cpe:2.3:a:msi:dragon_center:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-82908

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III. Intelligence Information for CVE-2026-82908

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Vendor Advisories for CVE-2026-82908 (1)

Other References for CVE-2026-82908 (3)

IV. Related Vulnerabilities

Same product: Dragon Center
Same vendor: MSI
Same weakness: CWE-190