CVE-2026-3780: high-severity vulnerability in Foxit PDF Editor
Foxit PDF Editor/Reader Installer Uncontrolled Search Path Privilege Escalation
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.3epss 0.1%
The application's installer runs with elevated privileges but resolves system executables and DLLs using untrusted search paths that can include user-writable directories, allowing a local attacker to place malicious binaries with the same names and have them loaded or executed instead of the legitimate system files, resulting in local privilege escalation.
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Related CVEs — Foxit PDF Editor
In the same product, most dangerous first.
CVE-2026-57259MEDIUMFoxit PDF Editor/Reader XDP XFA XXE arbitrary local file readEPSS 0.4%CVE-2026-91797HIGHFoxit PDF Editor/Reader Portfolio Directory Traversal Remote Code Execution VulnerabilityEPSS 0.3%CVE-2026-3779HIGHFoxit PDF Editor/Reader List Box Calculate Array Use-After-Free VulnerabilityEPSS 0.3%CVE-2025-66495HIGHFoxit PDF Reader Annotation Use-After-Free Remote Code Execution VulnerabilityEPSS 0.3%CVE-2025-66494HIGHFoxit PDF Reader PDF File Parsing Use-After-Free Remote Code Execution VulnerabilityEPSS 0.3%CVE-2025-66493HIGHFoxit PDF Reader AcroForm Use-After-Free Remote Code Execution VulnerabilityEPSS 0.3%