by Kastro
Paper/Archive/CVE-2026-129255

CVE-2026-129255

CoolerMaster MASTERPLUS+ — CoolerMaster MASTERPLUS+ Device Driver WinRing0x64.sys sub_11504 default permission

CVSS 9.3
critical.is priorityof 100
28
CVSS 9.3 (CNA)9.3 / 10 × 3027.9Not in CISA KEV+300.0No EPSS score.000 × 200.0No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
MASTERPLUS+1.9.6–CNA

Scores by source

VulDB (CNA)9.3CVSS: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
VulDB (CNA)8.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:X/RL:X/RC:C
VulDB (CNA)8.8CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:X/RL:X/RC:C

References

writeupvuldb.com/vuln/437286refvuldb.com/vuln/437286/ctiwriteupvuldb.com/cve/CVE-2026-129255writeupvuldb.com/submit/1042970