{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-3777", "assignerOrgId": "14984358-7092-470d-8f34-ade47a7658a2", "state": "PUBLISHED", "assignerShortName": "Foxit", "dateReserved": "2026-03-08T03:43:24.941Z", "datePublished": "2026-04-01T01:40:27.829Z", "dateUpdated": "2026-04-02T02:12:55.076Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "14984358-7092-470d-8f34-ade47a7658a2", "shortName": "Foxit", "dateUpdated": "2026-04-02T02:12:55.076Z"}, "title": "Use after free of view cache in Foxit PDF Editor/Reader", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-416", "description": "CWE-416 Use after free", "type": "CWE"}]}], "impacts": [{"descriptions": [{"lang": "en", "value": "Potential arbitrary code execution"}]}], "affected": [{"vendor": "Foxit Software Inc.", "product": "Foxit PDF Editor", "platforms": ["Windows", "MacOS"], "versions": [{"status": "affected", "version": "Versions 2025.3 and earlier"}, {"status": "affected", "version": "Versions 14.0.2 and earlier"}, {"status": "affected", "version": "Versions 13.2.2 and earlier"}], "defaultStatus": "unaffected"}, {"vendor": "Foxit Software Inc.", "product": "Foxit PDF Reader", "platforms": ["Windows", "MacOS"], "versions": [{"status": "affected", "version": "Versions 2025.3 and earlier"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The application does not properly validate the lifetime and validity of internal view cache pointers after JavaScript changes the document zoom and page state. When a script modifies the zoom property and then triggers a page change, the original view object may be destroyed while stale pointers are still kept and later dereferenced, which under crafted JavaScript and document structures can lead to a use-after-free condition and potentially allow arbitrary code execution.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "The application does not properly validate the lifetime and validity of internal view cache pointers after JavaScript changes the document zoom and page state. When a script modifies the zoom property and then triggers a page change, the original view object may be destroyed while stale pointers are still kept and later dereferenced, which under crafted JavaScript and document structures can lead to a use-after-free condition and potentially allow arbitrary code execution."}]}], "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": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseSeverity": "MEDIUM", "baseScore": 5.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}}], "credits": [{"lang": "en", "value": "Suyue Guo from UCSB Seclab", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.1"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-04-01T14:19:00.361361Z", "id": "CVE-2026-3777", "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": "2026-04-01T15:51:25.507Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-3777", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-04-01T14:19:00.361361Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-01T14:19:06.703Z"}}], "cna": {"title": "Use after free of view cache in Foxit PDF Editor/Reader", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "finder", "value": "Suyue Guo from UCSB Seclab"}], "impacts": [{"descriptions": [{"lang": "en", "value": "Potential arbitrary code execution"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Foxit Software Inc.", "product": "Foxit PDF Editor", "versions": [{"status": "affected", "version": "Versions 2025.3 and earlier"}, {"status": "affected", "version": "Versions 14.0.2 and earlier"}, {"status": "affected", "version": "Versions 13.2.2 and earlier"}], "platforms": ["Windows", "MacOS"], "defaultStatus": "unaffected"}, {"vendor": "Foxit Software Inc.", "product": "Foxit PDF Reader", "versions": [{"status": "affected", "version": "Versions 2025.3 and earlier"}], "platforms": ["Windows", "MacOS"], "defaultStatus": "unaffected"}], "references": [{"url": "https://www.foxit.com/support/security-bulletins.html"}], "x_generator": {"engine": "Vulnogram 1.0.1"}, "descriptions": [{"lang": "en", "value": "The application does not properly validate the lifetime and validity of internal view cache pointers after JavaScript changes the document zoom and page state. When a script modifies the zoom property and then triggers a page change, the original view object may be destroyed while stale pointers are still kept and later dereferenced, which under crafted JavaScript and document structures can lead to a use-after-free condition and potentially allow arbitrary code execution.", "supportingMedia": [{"type": "text/html", "value": "The application does not properly validate the lifetime and validity of internal view cache pointers after JavaScript changes the document zoom and page state. When a script modifies the zoom property and then triggers a page change, the original view object may be destroyed while stale pointers are still kept and later dereferenced, which under crafted JavaScript and document structures can lead to a use-after-free condition and potentially allow arbitrary code execution.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use after free"}]}], "providerMetadata": {"orgId": "14984358-7092-470d-8f34-ade47a7658a2", "shortName": "Foxit", "dateUpdated": "2026-04-02T02:12:55.076Z"}}}, "cveMetadata": {"cveId": "CVE-2026-3777", "state": "PUBLISHED", "dateUpdated": "2026-04-02T02:12:55.076Z", "dateReserved": "2026-03-08T03:43:24.941Z", "assignerOrgId": "14984358-7092-470d-8f34-ade47a7658a2", "datePublished": "2026-04-01T01:40:27.829Z", "assignerShortName": "Foxit"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "matchCriteriaId": "8E9FD877-062E-4AE4-B7D7-91E1CA8657DF", "versionEndIncluding": "13.2.2.24014", "vulnerable": true}, {"criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "matchCriteriaId": "6B7281CC-97ED-4441-BB97-6C73E328B9AD", "versionEndIncluding": "14.0.2.33402", "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_reader:*:*:*:*:*:*:*:*", "matchCriteriaId": "1A7AD877-2AB4-4568-8109-5406D2259725", "versionEndIncluding": "2025.3.0.35737", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "matchCriteriaId": "2C7DEE55-1FE3-4B41-975D-BB926E9E69D4", "versionEndIncluding": "13.2.2.63349", "vulnerable": true}, {"criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "matchCriteriaId": "9D6DE6B5-F04E-4484-9BF9-397D49464636", "versionEndIncluding": "14.0.2.69164", "versionStartIncluding": "14.0.0.68868", "vulnerable": true}, {"criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "matchCriteriaId": "D8785CCE-C44C-4908-9133-13A580D5BECB", "versionEndIncluding": "2023.3.0.63083", "versionStartIncluding": "2023.1.0.55583", "vulnerable": true}, {"criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "matchCriteriaId": "CF043D20-0E28-481C-8756-D1301FAE67D2", "versionEndIncluding": "2024.4.1.66479", "versionStartIncluding": "2024.1.0.63682", "vulnerable": true}, {"criteria": "cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*", "matchCriteriaId": "20698FD4-5E28-4206-ACEA-4FCD24AD23BE", "versionEndIncluding": "2025.3.0.69570", "versionStartIncluding": "2025.1.0.66692", "vulnerable": true}, {"criteria": "cpe:2.3:a:foxit:pdf_reader:*:*:*:*:*:*:*:*", "matchCriteriaId": "308530A9-A5C2-4293-BB02-00DDB6C17C37", "versionEndIncluding": "2025.3.0.69570", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The application does not properly validate the lifetime and validity of internal view cache pointers after JavaScript changes the document zoom and page state. When a script modifies the zoom property and then triggers a page change, the original view object may be destroyed while stale pointers are still kept and later dereferenced, which under crafted JavaScript and document structures can lead to a use-after-free condition and potentially allow arbitrary code execution."}, {"lang": "es", "value": "La aplicaci\u00f3n no valida correctamente la vida \u00fatil y la validez de los punteros internos de la cach\u00e9 de vistas despu\u00e9s de que JavaScript cambia el zoom del documento y el estado de la p\u00e1gina. Cuando un script modifica la propiedad de zoom y luego desencadena un cambio de p\u00e1gina, el objeto de vista original puede ser destruido mientras los punteros obsoletos a\u00fan se mantienen y luego se desreferencian, lo que, bajo estructuras de JavaScript y documentos especialmente dise\u00f1adas, puede llevar a una condici\u00f3n de uso despu\u00e9s de liberaci\u00f3n y potencialmente permitir la ejecuci\u00f3n de c\u00f3digo arbitrario."}], "id": "CVE-2026-3777", "lastModified": "2026-04-14T17:54:52.200", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "14984358-7092-470d-8f34-ade47a7658a2", "type": "Secondary"}, {"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": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-04-01T02:16:02.737", "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-416"}], "source": "14984358-7092-470d-8f34-ade47a7658a2", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": ["windows", "macos"], "status": "affected", "versions": {"scheme": "generic", "value": "[0,2025.3]"}}, {"platform": ["windows", "macos"], "status": "affected", "versions": {"scheme": "semver", "value": "[0,14.0.2]"}}, {"platform": ["windows", "macos"], "status": "affected", "versions": {"scheme": "semver", "value": "[0,13.2.2]"}}], "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", "macos"], "status": "affected", "versions": {"scheme": "generic", "value": "[0,2025.3]"}}], "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"}], "analysis": {"en": {"generated_at": "2026-04-14T21:07:32.948975+00:00", "value": {"mitigation_remediation": ["Apply the latest patch or update to a newer version of Foxit PDF Editor or Reader that addresses the use\u2011after\u2011free issue. If a patch is not yet available, disable JavaScript processing for PDF documents via the application\u2019s security settings. Consider using an alternative PDF viewer that does not enable JavaScript or that has mitigations for use\u2011after\u2011free vulnerabilities."], "summary": {"action": "Immediate Patch", "impact": "Arbitrary code execution via use\u2011after\u2011free"}, "threat_synthesis": {"affected_systems": "The vulnerability affects Foxit Software Inc.'s Foxit PDF Editor and Foxit PDF Reader products. No specific affected versions are listed in the advisory, so all releases that have not applied a fix are potentially vulnerable.", "description_and_impact": "Foxit PDF Editor and Reader fail to verify the lifetime of internal view cache pointers after JavaScript alters document zoom and page state. When a script changes the zoom property and triggers a page change, the original view object can be destroyed while stale pointers remain. Dereferencing these freed pointers provides a use\u2011after\u2011free condition that an attacker could exploit to run arbitrary code. The weakness is a classic use\u2011after\u2011free (CWE\u2011416), potentially compromising confidentiality, integrity, and availability of the affected host.", "risk_and_exploitability": "The CVSS score of 5.5 indicates moderate severity, while the EPSS score of less than 1% suggests low probability of exploitation in the wild. The vulnerability is not included in CISA's KEV catalog. The likely attack vector is a user opening a malicious PDF containing crafted JavaScript that manipulates zoom and page changes, leading to a use\u2011after\u2011free that may allow arbitrary code execution. Consequently, the risk is medium to high for any environment that permits JavaScript execution in PDFs and does not restrict or sandbox such content."}}}}, "created": "2026-04-02T07:50:26.131691+00:00", "updated": "2026-04-15T16:45:09.774104+00:00", "vendors": ["foxitsoftware", "foxitsoftware$PRODUCT$foxit_pdf_editor", "foxitsoftware$PRODUCT$foxit_reader"]}