CVE-2026-2516: Unidocs Ezpdf Drm Reader

High severity, CVSS 7.0. EPSS: 0.1% chance of exploitation in the next 30 days.

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."

Affected products

• Unidocs Ezpdf Drm Reader: version 2.0 only; version 3.0.0.4 only
• Unidocs Ezpdf Reader: version 2.0 only; version 3.0.0.4 only

Published 2026-02-15. Last modified 2026-06-17.