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."
History

Mon, 13 Apr 2026 07:30:00 +0000


Mon, 13 Apr 2026 07:15:00 +0000

Type Values Removed Values Added
Description A vulnerability was identified in Unidocs ezPDF DRM Reader and ezPDF Reader 2.0/3.0.0.4 on 32-bit. 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. The vendor was contacted early about this disclosure but did not respond in any way. 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."
References
Metrics cvssV2_0

{'score': 6, 'vector': 'AV:L/AC:H/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 7, 'vector': 'CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 7, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV2_0

{'score': 6, 'vector': 'AV:L/AC:H/Au:S/C:C/I:C/A:C/E:POC/RL:OF/RC:C'}

cvssV3_0

{'score': 7, 'vector': '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'}

cvssV3_1

{'score': 7, 'vector': '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'}


Tue, 17 Feb 2026 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 17 Feb 2026 09:00:00 +0000

Type Values Removed Values Added
First Time appeared Unidocs
Unidocs ezpdf Drm Reader
Unidocs ezpdf Reader
Vendors & Products Unidocs
Unidocs ezpdf Drm Reader
Unidocs ezpdf Reader

Sun, 15 Feb 2026 12:30:00 +0000

Type Values Removed Values Added
Description A vulnerability was identified in Unidocs ezPDF DRM Reader and ezPDF Reader 2.0/3.0.0.4 on 32-bit. 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. The vendor was contacted early about this disclosure but did not respond in any way.
Title Unidocs ezPDF DRM Reader/ezPDF Reader SHFOLDER.dll uncontrolled search path
Weaknesses CWE-426
CWE-427
References
Metrics cvssV2_0

{'score': 6, 'vector': 'AV:L/AC:H/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 7, 'vector': 'CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 7, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 7.3, 'vector': '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-04-13T06:42:44.784Z

Reserved: 2026-02-14T19:41:22.319Z

Link: CVE-2026-2516

cve-icon Vulnrichment

Updated: 2026-02-17T17:23:26.575Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-15T13:16:16.423

Modified: 2026-04-13T07:16:45.913

Link: CVE-2026-2516

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-17T08:50:03Z