What’s Vulnerable › Vulnerabilities

CVE-2026-2516: Unidocs ezPDF DRM Reader/ezPDF Reader SHFOLDER.dll uncontrolled search path

• Severity: high (CVSS 7.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-15 · updated 2026-06-17
• Weakness: CWE-426

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."

Affected products

• Unidocs ezPDF DRM Reader: 2.0, 3.0.0.4
• Unidocs ezPDF Reader: 2.0, 3.0.0.4

References

• http://www.unidocs.com/programs/ezPDF_DRM_Reader/
• https://gofile.me/7bU54/ZG47Lh7Yx
• https://vuldb.com/submit/736172
• https://vuldb.com/vuln/346107
• https://vuldb.com/vuln/346107/cti

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