{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-21281", "assignerOrgId": "078d4453-3bcd-4900-85e6-15281da43538", "state": "PUBLISHED", "assignerShortName": "adobe", "dateReserved": "2025-12-12T22:01:18.188Z", "datePublished": "2026-01-13T18:45:30.580Z", "dateUpdated": "2026-01-14T04:57:37.820Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "affected", "product": "InCopy", "vendor": "Adobe", "versions": [{"lessThanOrEqual": "19.5.5", "status": "affected", "version": "0", "versionType": "semver"}]}], "datePublic": "2026-01-13T17:00:00.000Z", "descriptions": [{"lang": "en", "value": "InCopy versions 21.0, 19.5.5 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "environmentalScore": 7.8, "environmentalSeverity": "HIGH", "exploitCodeMaturity": "NOT_DEFINED", "integrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "LOW", "modifiedAttackVector": "LOCAL", "modifiedAvailabilityImpact": "HIGH", "modifiedConfidentialityImpact": "HIGH", "modifiedIntegrityImpact": "HIGH", "modifiedPrivilegesRequired": "NONE", "modifiedScope": "UNCHANGED", "modifiedUserInteraction": "REQUIRED", "privilegesRequired": "NONE", "remediationLevel": "NOT_DEFINED", "reportConfidence": "NOT_DEFINED", "scope": "UNCHANGED", "temporalScore": 7.8, "temporalSeverity": "HIGH", "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"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-122", "description": "Heap-based Buffer Overflow (CWE-122)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "078d4453-3bcd-4900-85e6-15281da43538", "shortName": "adobe", "dateUpdated": "2026-01-13T18:45:30.580Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://helpx.adobe.com/security/products/incopy/apsb26-04.html"}], "source": {"discovery": "EXTERNAL"}, "title": "InCopy | Heap-based Buffer Overflow (CWE-122)"}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-01-13T00:00:00+00:00", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-21281"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-14T04:57:37.820Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-21281", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-01-13T18:58:33.767138Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-13T18:58:55.224Z"}}], "cna": {"title": "InCopy | Heap-based Buffer Overflow (CWE-122)", "source": {"discovery": "EXTERNAL"}, "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", "modifiedScope": "UNCHANGED", "temporalScore": 7.8, "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "remediationLevel": "NOT_DEFINED", "reportConfidence": "NOT_DEFINED", "temporalSeverity": "HIGH", "availabilityImpact": "HIGH", "environmentalScore": 7.8, "privilegesRequired": "NONE", "exploitCodeMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "LOCAL", "confidentialityImpact": "HIGH", "environmentalSeverity": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedIntegrityImpact": "HIGH", "modifiedUserInteraction": "REQUIRED", "modifiedAttackComplexity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "modifiedAvailabilityImpact": "HIGH", "modifiedPrivilegesRequired": "NONE", "modifiedConfidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Adobe", "product": "InCopy", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "19.5.5"}], "defaultStatus": "affected"}], "datePublic": "2026-01-13T17:00:00.000Z", "references": [{"url": "https://helpx.adobe.com/security/products/incopy/apsb26-04.html", "tags": ["vendor-advisory"]}], "descriptions": [{"lang": "en", "value": "InCopy versions 21.0, 19.5.5 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-122", "description": "Heap-based Buffer Overflow (CWE-122)"}]}], "providerMetadata": {"orgId": "078d4453-3bcd-4900-85e6-15281da43538", "shortName": "adobe", "dateUpdated": "2026-01-13T18:45:30.580Z"}}}, "cveMetadata": {"cveId": "CVE-2026-21281", "state": "PUBLISHED", "dateUpdated": "2026-01-13T18:59:01.009Z", "dateReserved": "2025-12-12T22:01:18.188Z", "assignerOrgId": "078d4453-3bcd-4900-85e6-15281da43538", "datePublished": "2026-01-13T18:45:30.580Z", "assignerShortName": "adobe"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:adobe:incopy:*:*:*:*:*:*:*:*", "matchCriteriaId": "787164DB-0C13-412F-9E57-271AE10CB605", "versionEndExcluding": "20.5.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:adobe:incopy:21.0:*:*:*:*:*:*:*", "matchCriteriaId": "74CF36EE-020C-4620-A213-9DAFF04E24BE", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E", "vulnerable": false}, {"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "InCopy versions 21.0, 19.5.5 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file."}], "id": "CVE-2026-21281", "lastModified": "2026-01-14T19:28:33.957", "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": "psirt@adobe.com", "type": "Primary"}]}, "published": "2026-01-13T19:16:25.857", "references": [{"source": "psirt@adobe.com", "tags": ["Vendor Advisory"], "url": "https://helpx.adobe.com/security/products/incopy/apsb26-04.html"}], "sourceIdentifier": "psirt@adobe.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}], "source": "psirt@adobe.com", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{"created": "2026-01-14T11:07:44.418567+00:00", "updated": "2026-01-14T11:07:44.418619+00:00", "vendors": ["adobe", "adobe$PRODUCT$incopy"]}