{"schemaVersion":3,"id":"CVE-2026-91816","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"A use-after-free vulnerability exists in Foxit PDF Editor/Reader’s handling of PDF annotations. Reentrant annotation deletion triggered by embedded JavaScript can cause the application to access an annotation object after it has been released, resulting in a use-after-free condition and application 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After Free","description":"The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory \"belongs\" to the code that operates on the new pointer.","type":"weakness","status":"Stable","abstraction":"Variant","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/416.html"}],"affected":[{"vendor":"foxit software inc.","product":"foxit pdf editor","name":"Foxit PDF Editor","label":"foxit pdf editor","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"Versions 2026.2 and earlier","noFixRecorded":false,"fixedIn":null},{"text":"Versions 14.0.7 and earlier","noFixRecorded":false,"fixedIn":null},{"text":"Versions 13.2.6 and earlier","noFixRecorded":false,"fixedIn":null}],"versionsText":"Versions 2026.2 and earlier | Versions 14.0.7 and earlier | Versions 13.2.6 and earlier","eol":null,"hubHref":"/vendor/foxit_software_inc/foxit_pdf_editor"},{"vendor":"foxit software inc.","product":"foxit pdf reader","name":"Foxit PDF Reader","label":"foxit pdf reader","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"Versions 2026.2 and earlier","noFixRecorded":false,"fixedIn":null}],"versionsText":"Versions 2026.2 and earlier","eol":null,"hubHref":"/vendor/foxit_software_inc/foxit_pdf_reader"},{"vendor":"foxit","product":"pdf_editor","name":"pdf editor","label":"pdf_editor","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 13.2.5.63482","noFixRecorded":false,"fixedIn":null},{"text":"≥ 14.0.0.33046, ≤ 14.0.7.33751","noFixRecorded":false,"fixedIn":null},{"text":"≥ 2023.1.0.15510, ≤ 2023.3.0.23028","noFixRecorded":false,"fixedIn":null},{"text":"≥ 2024.1.0.23997, ≤ 2024.4.1.27687","noFixRecorded":false,"fixedIn":null},{"text":"≥ 2025.1.0.27937, ≤ 2025.3.0.35737","noFixRecorded":false,"fixedIn":null},{"text":"≥ 2026.1.0.36452, ≤ 2026.2.0.39747","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 13.2.5.63482 | ≥ 14.0.0.33046, ≤ 14.0.7.33751 | ≥ 2023.1.0.15510, ≤ 2023.3.0.23028 | ≥ 2024.1.0.23997, ≤ 2024.4.1.27687 | ≥ 2025.1.0.27937, ≤ 2025.3.0.35737 | ≥ 2026.1.0.36452, ≤ 2026.2.0.39747","eol":null,"hubHref":"/vendor/foxit/pdf_editor"},{"vendor":"foxit","product":"pdf_reader","name":"pdf reader","label":"pdf_reader","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 2026.2.0.39747","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 2026.2.0.39747","eol":null,"hubHref":"/vendor/foxit/pdf_reader"}],"affectedCount":4,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.foxit.com/support/security-bulletins.html","label":"www.foxit.com/support/security-bulletins.html","hostname":"www.foxit.com","tags":["Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-09-23T07:49:18.608Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-09-23T14:23:56.070Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":31,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T13:37:53.397Z","stale":false,"partial":false}}