Security readout for executives and security teams
Plain-English summary
This is a local Windows driver flaw in Windows Master, also called Windows Optimization Master, version 7.99.13.604. A user already able to run code on an affected machine may be able to crash it with a BSOD. The sources do not confirm a patch, CVSS score, or active exploitation.
Executive priority
Prioritize cleanup on managed Windows endpoints where this optimization tool is present. Business risk is mainly endpoint downtime and operational disruption, with uncertainty around unspecified additional impact. This is not currently supported as internet-exposed or actively exploited.
Technical view
CVE-2018-9054 concerns WoptiHWDetect.SYS, a driver shipped with Windows Master 7.99.13.604. The driver does not validate input values for IOCTL 0xf100284c, allowing local users to trigger denial of service and possibly unspecified other impact. Public source material includes a BSOD proof-of-concept reference.
Likely exposure
Exposure is limited to Windows systems with Windows Master or Windows Optimization Master 7.99.13.604 and the WoptiHWDetect.SYS driver installed. This is not described as remotely reachable; the attacker needs local user access.
Exploitation context
The CVE is not listed in KEV, and the supplied sources do not show active exploitation. A public BSOD proof-of-concept reference exists, so defenders should treat crash reproduction knowledge as public while avoiding assumptions about broader impact.
Researcher notes
The record lacks CVSS, CWE, CPE, and patch information. The core claim is local input-validation failure in WoptiHWDetect.SYS through IOCTL 0xf100284c. Treat scope beyond BSOD as unproven unless additional vendor or researcher evidence is obtained.
Mitigation direction
- Inventory endpoints for Windows Master or Windows Optimization Master 7.99.13.604.
- Remove the software and driver where the tool is not business-required.
- Check vendor or maintainer guidance for fixed versions or replacement recommendations.
- Block vulnerable driver deployment in endpoint management and golden images.
- Monitor crash telemetry for WoptiHWDetect.SYS-related BSOD events.
Validation and detection
- Confirm whether WoptiHWDetect.SYS exists on managed Windows endpoints.
- Verify installed Windows Master or Windows Optimization Master version numbers.
- Check whether the driver is loaded on systems where the software remains installed.
- Review EDR and crash reports for WoptiHWDetect.SYS faults.
- Document exceptions where removal is not immediately possible.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2018-9054 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/D0neMkj/POC_BSOD/tree/master/Windows%20Optimization%20master/0xf100284cCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.