{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-91809", "assignerOrgId": "14984358-7092-470d-8f34-ade47a7658a2", "state": "PUBLISHED", "assignerShortName": "Foxit", "dateReserved": "2026-09-15T07:34:45.815Z", "datePublished": "2026-09-23T07:49:06.201Z", "dateUpdated": "2026-09-23T15:26:33.453Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "14984358-7092-470d-8f34-ade47a7658a2", "shortName": "Foxit", "dateUpdated": "2026-09-23T07:49:06.201Z"}, "title": "Foxit PDF Editor/Reader Annotation Use-After-Free Information Disclosure Vulnerability", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-416", "description": "Use After Free (CWE-416)", "type": "CWE"}]}], "impacts": [{"descriptions": [{"lang": "en", "value": "Potential arbitrary code execution"}]}], "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 use-after-free vulnerability exists in Foxit PDF Editor/Reader\u2019s handling of malformed PDF form fields. Improper validation during field-name traversal may cause the application to access a released object, resulting in an application crash.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "A use-after-free vulnerability exists in Foxit PDF Editor/Reader\u2019s handling of malformed PDF form fields. Improper validation during field-name traversal may cause the application to access a released object, resulting in an 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": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/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": "2026-09-23T15:26:26.832912Z", "id": "CVE-2026-91809", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-23T15:26:33.453Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-91809", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-09-23T15:26:26.832912Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-23T15:26:30.975Z"}}], "cna": {"title": "Foxit PDF Editor/Reader Annotation Use-After-Free Information Disclosure Vulnerability", "credits": [{"lang": "en", "type": "finder", "value": "Anonymous working with TrendAI Zero Day Initiative"}], "impacts": [{"descriptions": [{"lang": "en", "value": "Potential arbitrary code execution"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "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 use-after-free vulnerability exists in Foxit PDF Editor/Reader\u2019s handling of malformed PDF form fields. Improper validation during field-name traversal may cause the application to access a released object, resulting in an application crash.", "supportingMedia": [{"type": "text/html", "value": "A use-after-free vulnerability exists in Foxit PDF Editor/Reader\u2019s handling of malformed PDF form fields. Improper validation during field-name traversal may cause the application to access a released object, resulting in an application crash.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "Use After Free (CWE-416)"}]}], "providerMetadata": {"orgId": "14984358-7092-470d-8f34-ade47a7658a2", "shortName": "Foxit", "dateUpdated": "2026-09-23T07:49:06.201Z"}}}, "cveMetadata": {"cveId": "CVE-2026-91809", "state": "PUBLISHED", "dateUpdated": "2026-09-23T15:26:33.453Z", "dateReserved": "2026-09-15T07:34:45.815Z", "assignerOrgId": "14984358-7092-470d-8f34-ade47a7658a2", "datePublished": "2026-09-23T07:49:06.201Z", "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"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A use-after-free vulnerability exists in Foxit PDF Editor/Reader\u2019s handling of malformed PDF form fields. Improper validation during field-name traversal may cause the application to access a released object, resulting in an application crash."}], "id": "CVE-2026-91809", "lastModified": "2026-09-23T17:58:26.570", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "14984358-7092-470d-8f34-ade47a7658a2", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-91809", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-09-23T15:26:26.832912Z", "version": "2.0.3"}}]}, "published": "2026-09-23T08:17:13.070", "references": [{"source": "14984358-7092-470d-8f34-ade47a7658a2", "url": "https://www.foxit.com/support/security-bulletins.html"}], "sourceIdentifier": "14984358-7092-470d-8f34-ade47a7658a2", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "14984358-7092-470d-8f34-ade47a7658a2", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": ["windows"], "status": "affected", "versions": {"scheme": "generic", "value": "[0,2026.2]"}}, {"platform": ["windows"], "status": "affected", "versions": {"scheme": "semver", "value": "[0,14.0.7]"}}, {"platform": ["windows"], "status": "affected", "versions": {"scheme": "semver", "value": "[0,13.2.6]"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 98.0, "source": "matching"}]}, "original": {"product": "Foxit PDF Editor", "source": "cna", "vendor": "Foxit Software Inc."}, "product": "foxit_pdf_editor", "vendor": "foxitsoftware"}, {"configurations": [{"platform": ["windows"], "status": "affected", "versions": {"scheme": "generic", "value": "[0,2026.2]"}}], "enrichment": {"confidence": 91.0, "confidence_source": "matching", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 91.0, "source": "matching"}]}, "original": {"product": "Foxit PDF Reader", "source": "cna", "vendor": "Foxit Software Inc."}, "product": "foxit_reader", "vendor": "foxitsoftware"}], "created": "2026-09-23T15:00:06.842700+00:00", "updated": "2026-09-24T09:14:41.546533+00:00", "vendors": ["foxitsoftware", "foxitsoftware$PRODUCT$foxit_pdf_editor", "foxitsoftware$PRODUCT$foxit_reader"]}