CVE-2026-2516
Unidocs ezPDF DRM Reader/ezPDF Reader SHFOLDER.dll uncontrolled search path
- State
- Published
- Severity
- 7.3 High
- Published
- Feb 15, 2026
- Updated
- Apr 13, 2026
- Reserved
- Feb 14, 2026
Description
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."
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.3 High | CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 7.0 High | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C | VulDB |
| 3.0 | 7.0 High | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C | VulDB |
| 2.0 | 6.0 Medium | AV:L/AC:H/Au:S/C:C/I:C/A:C/E:POC/RL:OF/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
ezPDF DRM ReaderUnidocs |
|
ezPDF ReaderUnidocs |
|
References
- VDB-346107 | Unidocs ezPDF DRM Reader/ezPDF Reader SHFOLDER.dll uncontrolled search pathvdb-entrytechnical-description
- VDB-346107 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #736172 | Unidocs Inc. ezPDF DRM Reader / ezPDF Reader v3.0.0.4 / v2.0 Uncontrolled Search Paththird-party-advisory
- https://gofile.me/7bU54/ZG47Lh7Yxexploit
- http://www.unidocs.com/programs/ezPDF_DRM_Reader/patch
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