Unidocs ezPDF DRM Reader/ezPDF Reader SHFOLDER.dll uncontrolled search path
Published Feb 15, 2026 · Updated Nov 3, 2026
Original summary
Normalized public record · Updated Nov 3, 2026
Unidocs ezPDF DRM Reader/ezPDF Reader SHFOLDER.dll uncontrolled search path
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
A vulnerability was identified in Unidocs ezPDF DRM Reader and ezPDF Reader 2.0/3.0.0.4. This affects an unknown part in the library SHFOLDER.dll. Such manipulation leads to uncontrolled search path. The attack needs to be performed locally. Attacks of this nature are highly complex. It is indicated that the exploitability is difficult. The exploit is publicly available and might be used. Upgrading the affected component is recommended. The vendor explains: "[W]e have already addressed similar DLL search path vulnerability patterns through prior security updates. (...) Users are advised to use the latest version provided by the vendor."
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
- SSVC priority
- MEDIUM
- Confidence
- Not available
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- VDB-346107 | Unidocs ezPDF DRM Reader/ezPDF Reader SHFOLDER.dll uncontrolled search path ↗
- VDB-346107 | CTI Indicators (IOB, IOC, TTP, IOA) ↗
- Submit #736172 | Unidocs Inc. ezPDF DRM Reader / ezPDF Reader v3.0.0.4 / v2.0 Uncontrolled Search Path ↗
- gofile.me ↗
- www.unidocs.com ↗
Record history
Published Feb 15, 2026 · Last refreshed Nov 3, 2026