{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-91817", "assignerOrgId": "14984358-7092-470d-8f34-ade47a7658a2", "state": "PUBLISHED", "assignerShortName": "Foxit", "dateReserved": "2026-09-15T07:34:45.816Z", "datePublished": "2026-09-23T07:49:15.176Z", "dateUpdated": "2026-09-23T14:22:36.779Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "14984358-7092-470d-8f34-ade47a7658a2", "shortName": "Foxit", "dateUpdated": "2026-09-23T07:49:15.176Z"}, "title": "Foxit PDF Editor/Reader AcroForm Out-of-Bounds Read Remote Code Execution Vulnerability", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-125", "description": "Out-of-bounds Read (CWE-125)", "type": "CWE"}]}], "impacts": [{"descriptions": [{"lang": "en", "value": "Information Disclosure"}]}], "affected": [{"vendor": "Foxit Software Inc.", "product": "Foxit PDF Editor", "platforms": ["Windows"], "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"}, {"vendor": "Foxit Software Inc.", "product": "Foxit PDF Reader", "platforms": ["Windows"], "versions": [{"status": "affected", "version": "Versions 2026.2 and earlier"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor/Reader\u2019s 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.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor/Reader\u2019s 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."}]}], "references": [{"url": "https://www.foxit.com/support/security-bulletins.html"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseSeverity": "MEDIUM", "baseScore": 6.1, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H"}}], "credits": [{"lang": "en", "value": "Anonymous working with TrendAI Zero Day Initiative", "type": "finder"}], "x_generator": {"engine": "Vulnogram 1.0.5"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-23T14:22:00.125904Z", "id": "CVE-2026-91817", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-23T14:22:36.779Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-91817", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-23T14:22:00.125904Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-23T14:22:05.705Z"}}], "cna": {"title": "Foxit PDF Editor/Reader AcroForm Out-of-Bounds Read Remote Code Execution Vulnerability", "credits": [{"lang": "en", "type": "finder", "value": "Anonymous working with TrendAI Zero Day Initiative"}], "impacts": [{"descriptions": [{"lang": "en", "value": "Information Disclosure"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Foxit Software Inc.", "product": "Foxit PDF Editor", "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"}], "platforms": ["Windows"], "defaultStatus": "unaffected"}, {"vendor": "Foxit Software Inc.", "product": "Foxit PDF Reader", "versions": [{"status": "affected", "version": "Versions 2026.2 and earlier"}], "platforms": ["Windows"], "defaultStatus": "unaffected"}], "references": [{"url": "https://www.foxit.com/support/security-bulletins.html"}], "x_generator": {"engine": "Vulnogram 1.0.5"}, "descriptions": [{"lang": "en", "value": "A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor/Reader\u2019s 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.", "supportingMedia": [{"type": "text/html", "value": "A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor/Reader\u2019s 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.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-125", "description": "Out-of-bounds Read (CWE-125)"}]}], "providerMetadata": {"orgId": "14984358-7092-470d-8f34-ade47a7658a2", "shortName": "Foxit", "dateUpdated": "2026-09-23T07:49:15.176Z"}}}, "cveMetadata": {"cveId": "CVE-2026-91817", "state": "PUBLISHED", "dateUpdated": "2026-09-23T14:22:36.779Z", "dateReserved": "2026-09-15T07:34:45.816Z", "assignerOrgId": "14984358-7092-470d-8f34-ade47a7658a2", "datePublished": "2026-09-23T07:49:15.176Z", "assignerShortName": "Foxit"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"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"}]}], "source": "14984358-7092-470d-8f34-ade47a7658a2"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "matchCriteriaId": "F56A28CE-B170-4EF6-9252-DAAAE95C8EFC", "versionEndIncluding": "13.2.5.63482", "vulnerable": true}, {"criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "matchCriteriaId": "ACB35909-C2E9-45E0-A63D-A80DCD8ECC24", "versionEndIncluding": "14.0.7.33751", "versionStartIncluding": "14.0.0.33046", "vulnerable": true}, {"criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "matchCriteriaId": "0C75FEE6-54F3-49C6-BAEA-A09D23BE5D64", "versionEndIncluding": "2023.3.0.23028", "versionStartIncluding": "2023.1.0.15510", "vulnerable": true}, {"criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "matchCriteriaId": "2C06BC41-9831-4AE3-B10B-3FC313D01580", "versionEndIncluding": "2024.4.1.27687", "versionStartIncluding": "2024.1.0.23997", "vulnerable": true}, {"criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "matchCriteriaId": "AD0AAFC0-5B9B-4A11-8967-4699792850F1", "versionEndIncluding": "2025.3.0.35737", "versionStartIncluding": "2025.1.0.27937", "vulnerable": true}, {"criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "matchCriteriaId": "757FC908-7C20-4D94-B5E4-83590D451EA1", "versionEndIncluding": "2026.2.0.39747", "versionStartIncluding": "2026.1.0.36452", "vulnerable": true}, {"criteria": "cpe:2.3:a:foxit:pdf_reader:*:*:*:*:*:*:*:*", "matchCriteriaId": "379C8399-B43C-47AE-BA7B-0FAC7682BF7B", "versionEndIncluding": "2026.2.0.39747", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor/Reader\u2019s 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."}], "id": "CVE-2026-91817", "lastModified": "2026-10-01T20:23:59.847", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 1.8, "impactScore": 4.2, "source": "14984358-7092-470d-8f34-ade47a7658a2", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-91817", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-23T14:22:00.125904Z", "version": "2.0.3"}}]}, "published": "2026-09-23T08:17:14.010", "references": [{"source": "14984358-7092-470d-8f34-ade47a7658a2", "tags": ["Vendor Advisory"], "url": "https://www.foxit.com/support/security-bulletins.html"}], "sourceIdentifier": "14984358-7092-470d-8f34-ade47a7658a2", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "14984358-7092-470d-8f34-ade47a7658a2", "type": "Secondary"}]}

{}