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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."

PUBLISHED Reserved 2026-02-14 | Published 2026-02-15 | Updated 2026-04-13 | Assigner VulDB




HIGH: 7.3CVSS: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
HIGH: 7.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
HIGH: 7.0CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
6.0AV:L/AC:H/Au:S/C:C/I:C/A:C/E:POC/RL:OF/RC:C

Problem types

Uncontrolled Search Path

Untrusted Search Path

Product status

2.0
affected

3.0.0.4
affected

2.0
affected

3.0.0.4
affected

Timeline

2026-02-14:Advisory disclosed
2026-02-14:VulDB entry created
2026-04-13:VulDB entry last update

Credits

RoyalSnek (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/346107 (VDB-346107 | Unidocs ezPDF DRM Reader/ezPDF Reader SHFOLDER.dll uncontrolled search path) vdb-entry technical-description

vuldb.com/vuln/346107/cti (VDB-346107 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/736172 (Submit #736172 | Unidocs Inc. ezPDF DRM Reader / ezPDF Reader v3.0.0.4 / v2.0 Uncontrolled Search Path) third-party-advisory

gofile.me/7bU54/ZG47Lh7Yx exploit

www.unidocs.com/programs/ezPDF_DRM_Reader/ patch

cve.org (CVE-2026-2516)

nvd.nist.gov (CVE-2026-2516)

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