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CVE-2026-129255

CoolerMaster MASTERPLUS+ Device Driver WinRing0x64.sys sub_11504 default permission

Products / packages CoolerMaster MASTERPLUS+

Published

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Severity and exploitation

Not in CISA KEV

KEV coverage does not rule out exploitation.

KEV checked 14/11/2026, 22:25:34 UTC
VulDB · CVSS:4.0 · 9.3
Assessment vectorCVSS: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 · CVSS:3.1 · 8.8
Assessment vectorCVSS: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 · CVSS:3.0 · 8.8
Assessment vectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:X/RL:X/RC:C
VulDB · CVSS 2 / source score · 6.8
Assessment vectorAV:L/AC:L/Au:S/C:C/I:C/A:C/E:ND/RL:ND/RC:C
The headline uses the highest imported catalog score. Assessments can differ by source and CVSS version.

Severity

critical9.3

CVSS measures technical severity, not the likelihood of an attack.

Known exploitation

Not listed in the checked CISA KEV catalog

Absence from CISA KEV does not rule out attacks.

Public exploit

Not established by this record

Missing evidence does not mean no public exploit exists.

Remediation

Fix status not established

No structured fix or guidance is available here. Check the latest publisher advisory.

What this means

A vulnerability in CoolerMaster MASTERPLUS+ 1.9.6's WinRing0x64.sys device driver allows local attackers to manipulate the PhysicalAddress argument, leading to incorrect default permissions. The vendor did not respond to disclosure. Local access is required.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

Attack conditions

No attack-condition excerpt has been identified here. Review the full source description and references for authentication, network access, and configuration requirements.

Review supporting sources →

Affected versions

Check the exact model, release, and any platform requirements against your installation.

CoolerMaster · VulDB

MASTERPLUS+

1 range
VulDB version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

1.9.6

unaffected

unknown

Other versions: unknown

Product identifiers (CPE)cpe:2.3:a:coolermaster:masterplus_:*:*:*:*:*:*:*:*
Automatic dependency matching is unavailable for this record. Use the product evidence and publisher’s instructions to check your installation.

What to do

Compare your installed product and version with the affected versions above. A matching product name alone does not confirm exposure.

No structured fix or remediation guidance is available here. Check the full source description and vendor’s latest advisory for a patch or workaround; do not assume another version is safe.

cve.new guidance unless attributed to a publisher. This page does not inspect your installation.

Public exploit evidence

No public exploit reference is identified in the imported evidence. This is not a claim that no exploit exists.

Original source description

Read the full publisher 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.

References

4 sources
VulDB · advisory #437286
Security advisoryVulDB
VulDB · threat intelligence #437286
Security advisoryVulDB
VulDB · CVE-2026-129255
Security advisoryVulDB
VulDB · submission #1042970
Source referenceVulDB

Inside the record

Evidence available

Package identity · not supplied
Version evidence
Remediation guidance · not supplied
Weakness classification
Additional publishers · not supplied

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-129255

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-276 ↗

Incorrect Default Permissions

VulDB

Related →
CWE-266 ↗

Incorrect Privilege Assignment

VulDB

Related →
Contributing organizations · 1
VulDB

Assigning organization

2026-11-14

Timeline

All times UTC

  1. Advisory published

    Publication date supplied by the source.

  2. Last imported by cve.new

    Latest catalog import, not the date we first saw this advisory.

What changed

Follow changes
No substantive changes have been recorded here yet. History starts when cve.new observes a change after tracking is enabled; earlier edits are not reconstructed.

Large field values are marked as truncated previews. Original source snapshots remain retained.