CVE-2026-3091EPSS p3.9%

CVE-2026-3091CVE-2026-3091

synology / presto_client

Description

An uncontrolled search path element vulnerability in Synology Presto Client before 2.1.3-0672 allows local users to read or write arbitrary files and conduct denial-of-service during installation by placing a malicious DLL in advance in the same directory as the installer.

Scoring

CVSS 6.7 ()
VectorCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
EPSS0.15% probability of exploitation · percentile 3.9% · 2026-10-05T12:00:23Z
Last modified2026-06-02

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.