CVE-2026-3780 — Foxit PDF Editor/Reader Installer Uncontrolled Search Path Privilege Escalation

CVE-2026-3780

Foxit PDF Editor/Reader Installer Uncontrolled Search Path Privilege Escalation PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Foxit Software Inc. / Foxit PDF Reader	affected Versions 2025.3 and earlier
Foxit Software Inc. / Foxit PDF Editor	affected Versions 2025.3 and earlier; affected Versions 14.0.2 and earlier

CWE

CWE-426

References

https://www.foxit.com/support/security-bulletins.html

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.