CVE-2026-129255
CoolerMaster MASTERPLUS+ Device Driver WinRing0x64.sys sub_11504 default permission
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.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| MASTERPLUS+ CoolerMaster |
1.9.6 (affected) | CNA: VulDB |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 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:X | CNA: 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:X/RL:X/RC:C | CNA: 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:X/RL:X/RC:C | CNA: VulDB |
| 2.0 / 6.8 medium |
AV:L/AC:L/Au:S/C:C/I:C/A:C/E:ND/RL:ND/RC:C | CNA: VulDB |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://vuldb.com/vuln/437286CNA: VulDB · vdb-entry, technical-description
- https://vuldb.com/vuln/437286/ctiCNA: VulDB · signature, permissions-required
- https://vuldb.com/cve/CVE-2026-129255CNA: VulDB · third-party-advisory
- https://vuldb.com/submit/1042970CNA: VulDB · third-party-advisory
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