CVE-2026-18622
MediumCVSS 4.7Exploitation Probability (EPSS)
Low risk2th percentile - higher than 2% of all known CVEs
Summary
Foxit PDF Editor/Reader inconsistently alerts users when signature fields are abnormally modified, including alterations to appearance, coordinates, or field duplication. This may mislead users into trusting tampered documents, since the UI cannot accurately reflect the actual integrity status of signatures.
Risk Assessment
Users may accept tampered documents as authentic, potentially leading to fraud, incorrect decisions, or compliance violations. The issue concerns the integrity of PDF documents.
Recommendation
Update Foxit PDF Editor/Reader to the latest version that improves detection of signature field modifications. Educate users to verify signatures independently.
Original NVD description (English source)
Foxit PDF Editor/Reader inconsistently alerts users when signature fields are abnormally modified, including alterations to appearance, coordinates, or field duplication. This may mislead users into trusting tampered documents, since the UI cannot accurately reflect the actual integrity status of signatures.