CVE-2026-91793

Summary

When opening a specially crafted PDF, Foxit PDF Editor/Reader executes scripts that modify annotation rich-text attributes containing malformed font data. During subsequent annotation appearance reconstruction, it accesses an object after it has been released, resulting in a use-after-free condition and 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: CWE-416 Use after free

ADP Enrichment

CISA ADP Vulnrichment

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

References