CVE-2026-91818

Summary

A use-after-free vulnerability exists in Foxit PDF Editor/Reader’s JavaScript handling of PDF annotations. Reentrant page-event processing during annotation enumeration may release the associated page object, which is subsequently accessed, 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