CVE-2020-26539: Foxitsoftware Foxit Reader

Critical severity, CVSS 9.8. EPSS: 2.2% chance of exploitation in the next 30 days.

An issue was discovered in Foxit Reader and PhantomPDF before 10.1. When there is a multiple interpretation error for /V (in the Additional Action and Field dictionaries), a use-after-free can occur with resultant remote code execution (or an information leak).

Affected products

• Foxitsoftware Foxit Reader: before 10.1 (fixed in 10.1)
• Foxitsoftware Phantompdf: before 10.1 (fixed in 10.1)

Published 2020-10-02. Last modified 2026-06-17.