CVE-2026-57246: Foxit PDF Editor

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

When dealing with abnormally constructed objects, there is a lack of argument validation; JavaScript triggers signature verification, but the signature plugin does not perform validation when copying the abnormal string, causing the application to crash.

Affected products

• Foxit PDF Editor: up to and including 13.2.4.24048; from 14.0.0.33046, up to and including 14.0.4.33508; from 2023.1.0.15510, up to and including 2023.3.0.23028; from 2024.1.0.23997, up to and including 2024.4.1.27687; from 2025.1.0.27937, up to and including 2025.3.0.35737; from 2026.1.0.36452, up to and including 2026.1.1.36485
• Foxit PDF Reader: up to and including 2026.1.1.36485

Published 2026-07-08. Last modified 2026-07-09.