CVE-2026-129255

CoolerMaster MASTERPLUS+ Device Driver WinRing0x64.sys sub_11504 default permission

Assigner: VulDB
Reserved: 13.11.2026 Published: 14.11.2026 Updated: 14.11.2026

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.

Metrics

CVSS 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:X
CVSS Score: 9.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	High	Integrity	High
Attack Requirements	None	Availability	High	Availability	High
Privileges Required	Low
User Interaction	None

CVSS 4.0

CVSS Vector: 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
CVSS Score: 8.8

Attack Vector	Local	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

CVSS Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:X/RL:X/RC:C
CVSS Score: 8.8

Attack Vector	Local	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.0

CVSS Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C/E:ND/RL:ND/RC:C
CVSS Score: 6.8

Access Vector	Local	Confidentiality Impact	Complete
Access Complexity	Low	Integrity Impact	Complete
Authentication	Single	Availability Impact	Complete

CVSS 2.0

Product Status

Vendor	CoolerMaster
Product	MASTERPLUS+
Versions	Version 1.9.6 is affected

Vendor

CoolerMaster

Product

MASTERPLUS+

Versions

Version 1.9.6 is affected

Credits

Element2023H (VulDB User) reporter
VulDB CNA Team coordinator

References

Problem Types