Security readout for executives and security teams
Plain-English summary
This vulnerability affects a Windows optimization utility driver. A local user on an affected machine may be able to crash Windows with a blue screen. The sources do not confirm remote exploitation, active exploitation, privilege escalation, or an official patch.
Executive priority
Treat this as a targeted endpoint stability risk, not an internet-wide emergency. Prioritize inventory and removal on sensitive workstations or servers because kernel driver crashes can disrupt operations.
Technical view
CVE-2018-9050 concerns WoptiHWDetect.SYS in Windows Master, also called Windows Optimization Master, version 7.99.13.604. The driver does not validate input values for IOCTL 0xf100202d, allowing local denial of service and possibly unspecified other impact. No CVSS, CWE, or CPE data is provided.
Likely exposure
Exposure appears limited to Windows systems with Windows Master or Windows Optimization Master 7.99.13.604 and the WoptiHWDetect.SYS driver installed. The CVE data does not provide CPEs or broader affected version ranges.
Exploitation context
A public GitHub reference is associated with a BSOD proof of concept, but the source bundle does not establish active exploitation. The CVE is not listed as KEV. The described attack requires local user access.
Researcher notes
The public record is sparse. It identifies the vulnerable driver, product version, IOCTL value, and local DoS outcome, but does not document root cause details, patch status, exploit prevalence, or confirmed impact beyond BSOD and unspecified other impact.
Mitigation direction
- Inventory endpoints for Windows Optimization Master 7.99.13.604.
- Check vendor guidance for an update, removal path, or driver replacement.
- Remove or disable WoptiHWDetect.SYS where the software is not required.
- Restrict local user access on systems that must keep the software.
- Monitor for unexpected BSOD events on exposed endpoints.
Validation and detection
- Confirm whether WoptiHWDetect.SYS exists on managed Windows endpoints.
- Verify any installed Windows Master version against 7.99.13.604.
- Check endpoint telemetry for crashes tied to WoptiHWDetect.SYS.
- Confirm whether vendor advisories or updates address this driver.
- Document systems where removal is not currently 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-2018-9050 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/0xf100202DCVE 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.