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No exploitation reportedAwaiting NVD analysis

CVE-2026-129255

CoolerMaster MASTERPLUS+ Device Driver WinRing0x64.sys sub_11504 default permission

No exploitation reported by the sources we read.

  • Published2026-11-14
  • WeaknessCWE-266 · CWE-276

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2026-11-1412:30CVE publishedCNA

Versions per branch

Products declared by the CNA

As VulDB, the CNA that assigned this CVE, declared them in the CVE record; versions as written. NVD lists no product for this CVE yet: this is the only product data so far.

  • CoolerMaster MASTERPLUS+
    Affected
    • = 1.9.6no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-11-14

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-129255 yet.

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVE record2026-11-14
  • CNACVSS 4.09.32026-11-14
  • CNACVSS 3.18.82026-11-14
  • CNACVSS 3.08.82026-11-14
  • CNACVSS 2.06.82026-11-14
  • CNAweakness (CWE)CWE-266, CWE-2762026-11-14

Technical details

CVSS v3 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 4.0 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
Published
2026-11-14

Frequently asked questions

What is CVE-2026-129255?

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.

Is CVE-2026-129255 actively exploited?

Active exploitation of CVE-2026-129255 has not been confirmed.

What is the CVSS score for CVE-2026-129255?

CVE-2026-129255 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string 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.

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