{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-21308", "assignerOrgId": "078d4453-3bcd-4900-85e6-15281da43538", "state": "PUBLISHED", "assignerShortName": "adobe", "dateReserved": "2025-12-12T22:01:18.192Z", "datePublished": "2026-01-13T20:07:01.498Z", "dateUpdated": "2026-01-13T21:47:08.206Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "affected", "product": "Substance3D - Designer", "vendor": "Adobe", "versions": [{"lessThanOrEqual": "15.0.3", "status": "affected", "version": "0", "versionType": "semver"}]}], "datePublic": "2026-01-13T17:00:00.000Z", "descriptions": [{"lang": "en", "value": "Substance3D - Designer versions 15.0.3 and earlier are affected by an Out-of-bounds Read vulnerability that could lead to memory exposure. An attacker could leverage this vulnerability to disclose sensitive information stored in memory. Exploitation of this issue requires user interaction in that a victim must open a malicious file."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "environmentalScore": 5.5, "environmentalSeverity": "MEDIUM", "exploitCodeMaturity": "NOT_DEFINED", "integrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "LOW", "modifiedAttackVector": "LOCAL", "modifiedAvailabilityImpact": "NONE", "modifiedConfidentialityImpact": "HIGH", "modifiedIntegrityImpact": "NONE", "modifiedPrivilegesRequired": "NONE", "modifiedScope": "UNCHANGED", "modifiedUserInteraction": "REQUIRED", "privilegesRequired": "NONE", "remediationLevel": "NOT_DEFINED", "reportConfidence": "NOT_DEFINED", "scope": "UNCHANGED", "temporalScore": 5.5, "temporalSeverity": "MEDIUM", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "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": {"orgId": "078d4453-3bcd-4900-85e6-15281da43538", "shortName": "adobe", "dateUpdated": "2026-01-13T20:07:01.498Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://helpx.adobe.com/security/products/substance3d_designer/apsb26-13.html"}], "source": {"discovery": "EXTERNAL"}, "title": "Substance3D - Designer | Out-of-bounds Read (CWE-125)"}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-01-13T21:47:01.538408Z", "id": "CVE-2026-21308", "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": "2026-01-13T21:47:08.206Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-21308", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-01-13T21:47:01.538408Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-13T21:47:05.642Z"}}], "cna": {"title": "Substance3D - Designer | Out-of-bounds Read (CWE-125)", "source": {"discovery": "EXTERNAL"}, "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:H/I:N/A:N", "modifiedScope": "UNCHANGED", "temporalScore": 5.5, "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "remediationLevel": "NOT_DEFINED", "reportConfidence": "NOT_DEFINED", "temporalSeverity": "MEDIUM", "availabilityImpact": "NONE", "environmentalScore": 5.5, "privilegesRequired": "NONE", "exploitCodeMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "LOCAL", "confidentialityImpact": "HIGH", "environmentalSeverity": "MEDIUM", "availabilityRequirement": "NOT_DEFINED", "modifiedIntegrityImpact": "NONE", "modifiedUserInteraction": "REQUIRED", "modifiedAttackComplexity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "modifiedAvailabilityImpact": "NONE", "modifiedPrivilegesRequired": "NONE", "modifiedConfidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Adobe", "product": "Substance3D - Designer", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "15.0.3"}], "defaultStatus": "affected"}], "datePublic": "2026-01-13T17:00:00.000Z", "references": [{"url": "https://helpx.adobe.com/security/products/substance3d_designer/apsb26-13.html", "tags": ["vendor-advisory"]}], "descriptions": [{"lang": "en", "value": "Substance3D - Designer versions 15.0.3 and earlier are affected by an Out-of-bounds Read vulnerability that could lead to memory exposure. An attacker could leverage this vulnerability to disclose sensitive information stored in memory. Exploitation of this issue requires user interaction in that a victim must open a malicious file."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-125", "description": "Out-of-bounds Read (CWE-125)"}]}], "providerMetadata": {"orgId": "078d4453-3bcd-4900-85e6-15281da43538", "shortName": "adobe", "dateUpdated": "2026-01-13T20:07:01.498Z"}}}, "cveMetadata": {"cveId": "CVE-2026-21308", "state": "PUBLISHED", "dateUpdated": "2026-01-13T21:47:08.206Z", "dateReserved": "2025-12-12T22:01:18.192Z", "assignerOrgId": "078d4453-3bcd-4900-85e6-15281da43538", "datePublished": "2026-01-13T20:07:01.498Z", "assignerShortName": "adobe"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:adobe:substance_3d_designer:*:*:*:*:*:*:*:*", "matchCriteriaId": "A490AE76-8B57-4B39-9A8A-0327D3C8E592", "versionEndExcluding": "15.1.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Substance3D - Designer versions 15.0.3 and earlier are affected by an Out-of-bounds Read vulnerability that could lead to memory exposure. An attacker could leverage this vulnerability to disclose sensitive information stored in memory. Exploitation of this issue requires user interaction in that a victim must open a malicious file."}], "id": "CVE-2026-21308", "lastModified": "2026-01-14T17:57:49.533", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "psirt@adobe.com", "type": "Primary"}]}, "published": "2026-01-13T20:16:09.927", "references": [{"source": "psirt@adobe.com", "tags": ["Vendor Advisory"], "url": "https://helpx.adobe.com/security/products/substance3d_designer/apsb26-13.html"}], "sourceIdentifier": "psirt@adobe.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "psirt@adobe.com", "type": "Primary"}]}

{}

{"analysis": {"en": {"generated_at": "2026-04-18T16:20:28.519669+00:00", "value": {"mitigation_remediation": ["Apply the latest Adobe Substance3D Designer update or patch when available.", "Limit file opening to known safe formats or enforce a strict file\u2011type whitelist for user authentication.", "Scan files with up\u2011to\u2011date antivirus and anti\u2011malware tools before allowing them to be opened."], "summary": {"action": "Assess Impact", "impact": "Out-of-bounds read that can expose memory contents"}, "threat_synthesis": {"affected_systems": "Adobe Substance3D - Designer installations running version 15.0.3 or earlier are affected.", "description_and_impact": "Substance3D - Designer versions 15.0.3 and earlier are vulnerable to an out\u2011of\u2011bounds read that may expose arbitrary memory contents. The flaw occurs when the program accesses data beyond the bounds of a buffer, classified as CWE\u2011125, and could allow an attacker to leak sensitive information such as credentials or cryptographic material. The attack requires a user to open a malicious file, so it is a local, user\u2011initiated threat rather than a remote exploit.", "risk_and_exploitability": "Risk is moderate. The CVSS score of 5.5 indicates a medium impact restricted to memory disclosure, while an EPSS of less than 1% suggests exploitation attempts are uncommon. The vulnerability is not listed in CISA KEV, implying no widespread exploitation. Attackers must prompt a user to open a malicious file, limiting the attack surface to individuals who interact with the file. The limited exposure scope reduces the probability of successful exploitation compared to remote vulnerabilities, but the confidentiality impact remains non\u2011negligible."}}}}, "created": "2026-01-14T11:08:14.175474+00:00", "updated": "2026-04-18T16:30:05.078544+00:00", "vendors": ["adobe", "adobe$PRODUCT$substance_3d_designer"]}