CVE-2026-91806

Summary

A use-after-free vulnerability exists in Foxit PDF Editor/Reader’s handling of PDF form fields. Embedded JavaScript may access form-field references after the corresponding fields have been released, resulting in an application crash.

Affected Software

VendorProductVersion RangeStatus
Foxit Software Inc.Foxit PDF EditorVersions 2026.2 and earlieraffected
Foxit Software Inc.Foxit PDF EditorVersions 14.0.7 and earlieraffected
Foxit Software Inc.Foxit PDF EditorVersions 13.2.6 and earlieraffected
Foxit Software Inc.Foxit PDF ReaderVersions 2026.2 and earlieraffected

Weaknesses

  • CWE-416: Use After Free (CWE-416)

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References