CVE-2026-91793High· 7.8▾ TwilightWhen 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 afte…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 42.9 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.2%
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.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-91818High· 7.8A use-after-free vulnerability exists in Foxit PDF Editor/Reader’s JavaScript handling of PDF annotations
CVE-2026-91816High· 7.8A use-after-free vulnerability exists in Foxit PDF Editor/Reader’s handling of PDF annotations
CVE-2026-91809High· 7.8A use-after-free vulnerability exists in Foxit PDF Editor/Reader’s handling of malformed PDF form fields
CVE-2026-91806High· 7.8A use-after-free vulnerability exists in Foxit PDF Editor/Reader’s handling of PDF form fields
CVE-2026-91805High· 7.8A use-after-free vulnerability exists in Foxit PDF Editor/Reader’s PDF page-tree handling
CVE-2026-91799High· 7.8A use-after-free vulnerability exists in Foxit PDF Editor/Reader’s handling of JavaScript array objects