CVE-2026-129255

HIGH 8.8

CoolerMaster MASTERPLUS+ Device Driver WinRing0x64.sys sub_11504 default permission

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

A vulnerability was identified in CoolerMaster MASTERPLUS+ 1.9.6. This affects the function sub_11504 in the library WinRing0x64.sys of the component Device Driver. The manipulation of the argument PhysicalAddress leads to incorrect default permissions. The attack can only be performed from a local environment. The vendor was contacted early about this disclosure but did not respond in any way.

CWE	CWE-276 CWE-266
Vendor	coolermaster
Product	masterplus+
Published	Nov 14, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:X/RL:X/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

CoolerMaster / MASTERPLUS+

1.9.6

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/437286 vuldb.com: https://vuldb.com/vuln/437286/cti vuldb.com: https://vuldb.com/cve/CVE-2026-129255 vuldb.com: https://vuldb.com/submit/1042970

Credits

🔍 Element2023H (VulDB User) VulDB CNA Team