Vulnerability in Foxit Pdf Editor
CVE-2026-3780
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (6.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 6.2% 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: 0.002 · change: +0.001
Affected products
- Foxit Pdf Editor
- Foxit Pdf Reader
- Foxit Software Inc. Pdf Editor — versions Versions 2025.3 and earlier, Versions 14.0.2 and earlier
- Foxit Software Inc. Pdf Reader — versions Versions 2025.3 and earlier
- Microsoft Windows
Weakness classification (CWE)
References
- 14984358-7092-470d-8f34-ade47a7658a2 (Vendor Advisory)
Frequently asked questions
- What is CVE-2026-3780?
- CVE-2026-3780 is a high-severity vulnerability in Foxit Pdf Editor, classified under Untrusted Search Path. CVSS score: 7.3/10. Published 2026-04-01.
- How severe is CVE-2026-3780?
- High severity. CVSS v3 base score is 7.3 out of 10.