CVE-2026-91818High· 7.8▾ TwilightA 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 access…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 42.9 · likelihood 0 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
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.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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
CVE-2026-91793High· 7.8When opening a specially crafted PDF, Foxit PDF Editor/Reader executes scripts that modify annotation rich-text attributes containing malformed font data