{"api_version":"1","generated_at":"2026-10-02T20:30:42+00:00","cve":"CVE-2026-91817","urls":{"html":"https://cve.report/CVE-2026-91817","api":"https://cve.report/api/cve/CVE-2026-91817.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-91817","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-91817"},"summary":{"title":"Foxit PDF Editor/Reader AcroForm Out-of-Bounds Read Remote Code Execution Vulnerability","description":"A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor/Reader’s handling of wide strings in embedded PDF JavaScript. Insufficient validation of string-deletion ranges can cause an integer underflow, resulting in an out-of-bounds read and application crash.","state":"PUBLISHED","assigner":"Foxit","published_at":"2026-09-23 08:17:14","updated_at":"2026-10-01 20:23:59"},"problem_types":["CWE-125","CWE-125 Out-of-bounds Read (CWE-125)"],"metrics":[{"version":"3.1","source":"14984358-7092-470d-8f34-ade47a7658a2","type":"Secondary","score":"6.1","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","baseScore":6.1,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"6.1","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","data":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","version":"3.1"}}],"references":[{"url":"https://www.foxit.com/support/security-bulletins.html","name":"https://www.foxit.com/support/security-bulletins.html","refsource":"14984358-7092-470d-8f34-ade47a7658a2","tags":["Vendor Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-91817","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91817","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Foxit Software Inc.","product":"Foxit PDF Editor","version":"affected Versions 2026.2 and earlier","platforms":["Windows"]},{"source":"CNA","vendor":"Foxit Software Inc.","product":"Foxit PDF Editor","version":"affected Versions 14.0.7 and earlier","platforms":["Windows"]},{"source":"CNA","vendor":"Foxit Software Inc.","product":"Foxit PDF Editor","version":"affected Versions 13.2.6 and earlier","platforms":["Windows"]},{"source":"CNA","vendor":"Foxit Software Inc.","product":"Foxit PDF Reader","version":"affected Versions 2026.2 and earlier","platforms":["Windows"]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"Anonymous working with TrendAI Zero Day Initiative","lang":"en"}],"nvd_cpes":[{"cve_year":"2026","cve_id":"91817","vulnerable":"1","versionEndIncluding":"13.2.5.63482","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"foxit","cpe5":"pdf_editor","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"91817","vulnerable":"1","versionEndIncluding":"14.0.7.33751","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"foxit","cpe5":"pdf_editor","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"91817","vulnerable":"1","versionEndIncluding":"2023.3.0.23028","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"foxit","cpe5":"pdf_editor","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"91817","vulnerable":"1","versionEndIncluding":"2024.4.1.27687","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"foxit","cpe5":"pdf_editor","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"91817","vulnerable":"1","versionEndIncluding":"2025.3.0.35737","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"foxit","cpe5":"pdf_editor","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"91817","vulnerable":"1","versionEndIncluding":"2026.2.0.39747","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"foxit","cpe5":"pdf_editor","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2026","cve_id":"91817","vulnerable":"1","versionEndIncluding":"2026.2.0.39747","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"foxit","cpe5":"pdf_reader","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"91817","cve":"CVE-2026-91817","epss":"0.001070000","percentile":"0.010460000","score_date":"2026-10-01","updated_at":"2026-10-02 00:12:53"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-91817","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-09-23T14:22:00.125904Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-09-23T14:22:36.779Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unaffected","platforms":["Windows"],"product":"Foxit PDF Editor","vendor":"Foxit Software Inc.","versions":[{"status":"affected","version":"Versions 2026.2 and earlier"},{"status":"affected","version":"Versions 14.0.7 and earlier"},{"status":"affected","version":"Versions 13.2.6 and earlier"}]},{"defaultStatus":"unaffected","platforms":["Windows"],"product":"Foxit PDF Reader","vendor":"Foxit Software Inc.","versions":[{"status":"affected","version":"Versions 2026.2 and earlier"}]}],"credits":[{"lang":"en","type":"finder","value":"Anonymous working with TrendAI Zero Day Initiative"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor/Reader’s handling of wide strings in embedded PDF JavaScript. Insufficient validation of string-deletion ranges can cause an integer underflow, resulting in an out-of-bounds read and application crash."}],"value":"A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor/Reader’s handling of wide strings in embedded PDF JavaScript. Insufficient validation of string-deletion ranges can cause an integer underflow, resulting in an out-of-bounds read and application crash."}],"impacts":[{"descriptions":[{"lang":"en","value":"Information Disclosure"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","description":"Out-of-bounds Read (CWE-125)","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-09-23T07:49:15.176Z","orgId":"14984358-7092-470d-8f34-ade47a7658a2","shortName":"Foxit"},"references":[{"url":"https://www.foxit.com/support/security-bulletins.html"}],"title":"Foxit PDF Editor/Reader AcroForm Out-of-Bounds Read Remote Code Execution Vulnerability","x_generator":{"engine":"Vulnogram 1.0.5"}}},"cveMetadata":{"assignerOrgId":"14984358-7092-470d-8f34-ade47a7658a2","assignerShortName":"Foxit","cveId":"CVE-2026-91817","datePublished":"2026-09-23T07:49:15.176Z","dateReserved":"2026-09-15T07:34:45.816Z","dateUpdated":"2026-09-23T14:22:36.779Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-23 08:17:14","lastModifiedDate":"2026-10-01 20:23:59","problem_types":["CWE-125","CWE-125 Out-of-bounds Read (CWE-125)"],"metrics":{"cvssMetricV31":[{"source":"14984358-7092-470d-8f34-ade47a7658a2","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","baseScore":6.1,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":4.2}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-09-23T14:22:00.125904Z","id":"CVE-2026-91817","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*","versionEndIncluding":"13.2.5.63482","matchCriteriaId":"F56A28CE-B170-4EF6-9252-DAAAE95C8EFC"},{"vulnerable":true,"criteria":"cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*","versionStartIncluding":"14.0.0.33046","versionEndIncluding":"14.0.7.33751","matchCriteriaId":"ACB35909-C2E9-45E0-A63D-A80DCD8ECC24"},{"vulnerable":true,"criteria":"cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*","versionStartIncluding":"2023.1.0.15510","versionEndIncluding":"2023.3.0.23028","matchCriteriaId":"0C75FEE6-54F3-49C6-BAEA-A09D23BE5D64"},{"vulnerable":true,"criteria":"cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*","versionStartIncluding":"2024.1.0.23997","versionEndIncluding":"2024.4.1.27687","matchCriteriaId":"2C06BC41-9831-4AE3-B10B-3FC313D01580"},{"vulnerable":true,"criteria":"cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*","versionStartIncluding":"2025.1.0.27937","versionEndIncluding":"2025.3.0.35737","matchCriteriaId":"AD0AAFC0-5B9B-4A11-8967-4699792850F1"},{"vulnerable":true,"criteria":"cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*","versionStartIncluding":"2026.1.0.36452","versionEndIncluding":"2026.2.0.39747","matchCriteriaId":"757FC908-7C20-4D94-B5E4-83590D451EA1"},{"vulnerable":true,"criteria":"cpe:2.3:a:foxit:pdf_reader:*:*:*:*:*:*:*:*","versionEndIncluding":"2026.2.0.39747","matchCriteriaId":"379C8399-B43C-47AE-BA7B-0FAC7682BF7B"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"91817","Ordinal":"1","Title":"Foxit PDF Editor/Reader AcroForm Out-of-Bounds Read Remote Code ","CVE":"CVE-2026-91817","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"91817","Ordinal":"1","NoteData":"A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor/Reader’s handling of wide strings in embedded PDF JavaScript. Insufficient validation of string-deletion ranges can cause an integer underflow, resulting in an out-of-bounds read and application crash.","Type":"Description","Title":"Foxit PDF Editor/Reader AcroForm Out-of-Bounds Read Remote Code "}]}}}