Vulnerability in Unidocs Ezpdf Drm Reader
CVE-2026-2516
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 · last modified .
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.001 (1.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 1.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000
Affected products
- Unidocs Ezpdf Drm Reader — versions 2.0, 3.0.0.4
- Unidocs Ezpdf Reader — versions 2.0, 3.0.0.4
Weakness classification (CWE)
References
- vuldb.com/vuln/346107 (technical-description, vdb-entry)
- vuldb.com/vuln/346107/cti (signature, permissions-required)
- vuldb.com/submit/736172 (third-party-advisory)
- gofile.me/7bU54/ZG47Lh7Yx (exploit)
- www.unidocs.com/programs/ezPDF_DRM_Reader/ (patch)
Frequently asked questions
- What is CVE-2026-2516?
- CVE-2026-2516 is a high-severity vulnerability in Unidocs Ezpdf Drm Reader, classified under Untrusted Search Path. CVSS score: 7.0/10. Published 2026-02-15.
- How severe is CVE-2026-2516?
- High severity. CVSS v3 base score is 7.0 out of 10.