CVE-2026-5939: medium-severity vulnerability in Foxit PDF Editor
UAF in Foxit PDF Editor/Reader via XFA calculate event
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.5epss 0.1%
A crafted XFA PDF can trigger a use-after-free condition during calculate event processing, causing the application to crash and resulting in an arbitrary code execution.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Related CVEs — Foxit PDF Editor
In the same product, most dangerous first.
CVE-2026-57259MEDIUMFoxit PDF Editor/Reader XDP XFA XXE arbitrary local file readEPSS 0.4%CVE-2026-91797HIGHFoxit PDF Editor/Reader Portfolio Directory Traversal Remote Code Execution VulnerabilityEPSS 0.3%CVE-2026-3779HIGHFoxit PDF Editor/Reader List Box Calculate Array Use-After-Free VulnerabilityEPSS 0.3%CVE-2025-66495HIGHFoxit PDF Reader Annotation Use-After-Free Remote Code Execution VulnerabilityEPSS 0.3%CVE-2025-66494HIGHFoxit PDF Reader PDF File Parsing Use-After-Free Remote Code Execution VulnerabilityEPSS 0.3%CVE-2025-66493HIGHFoxit PDF Reader AcroForm Use-After-Free Remote Code Execution VulnerabilityEPSS 0.3%