{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-86378", "assignerOrgId": "c550e75a-17ff-4988-97f0-544cde3820fe", "state": "PUBLISHED", "assignerShortName": "dell", "dateReserved": "2026-09-07T10:04:28.182Z", "datePublished": "2026-10-28T10:05:06.420Z", "dateUpdated": "2026-10-28T10:05:06.420Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "c550e75a-17ff-4988-97f0-544cde3820fe", "shortName": "dell", "dateUpdated": "2026-10-28T10:05:06.420Z"}, "datePublic": "2026-10-01T06:30:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-121", "description": "CWE-121", "type": "CWE"}]}], "affected": [{"vendor": "Dell", "product": "PowerProtect Data Domain", "versions": [{"status": "affected", "version": "0", "lessThan": "8.9.0.0 or later", "versionType": "semver"}, {"status": "affected", "version": "0", "lessThan": "7.13.1.90 or later", "versionType": "semver"}, {"status": "affected", "version": "0", "lessThan": "8.3.1.50 or later", "versionType": "semver"}, {"status": "affected", "version": "0", "lessThan": "8.6.1.30 or later", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0 through 7.13.1.80, LTS2025 release versions 8.3.1.0 through 8.3.1.40, LTS2026 release versions 8.6.1.0 through 8.6.1.20, contain a Stack-based Buffer Overflow vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to unauthorized access.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0 through 7.13.1.80, LTS2025 release versions 8.3.1.0 through 8.3.1.40, LTS2026 release versions 8.6.1.0 through 8.6.1.20, contain a Stack-based Buffer Overflow vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to unauthorized access."}]}], "references": [{"url": "https://www.dell.com/support/kbdoc/en-us/000515178/dsa-2026-416-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities", "tags": ["vendor-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "PowerProtect Data Domain", "vendor": "Dell", "versions": [{"lessThan": "8.9.0.0 or later", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "7.13.1.90 or later", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "8.3.1.50 or later", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "8.6.1.30 or later", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security_alert@emc.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0 through 7.13.1.80, LTS2025 release versions 8.3.1.0 through 8.3.1.40, LTS2026 release versions 8.6.1.0 through 8.6.1.20, contain a Stack-based Buffer Overflow vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to unauthorized access."}], "id": "CVE-2026-86378", "lastModified": "2026-10-28T11:17:26.990", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "security_alert@emc.com", "type": "Secondary"}]}, "published": "2026-10-28T11:17:26.990", "references": [{"source": "security_alert@emc.com", "url": "https://www.dell.com/support/kbdoc/en-us/000515178/dsa-2026-416-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities"}], "sourceIdentifier": "security_alert@emc.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-121"}], "source": "security_alert@emc.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,8.9.0.0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,7.13.1.90)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,8.3.1.50)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,8.6.1.30)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "PowerProtect Data Domain", "source": "cna", "vendor": "Dell"}, "product": "powerprotect_data_domain", "vendor": "dell"}], "created": "2026-10-28T12:00:19.865734+00:00", "title": "Stack\u2011Based Buffer Overflow in Dell PowerProtect Data Domain Allows Unauthorized Remote Access", "updated": "2026-10-28T13:30:20.644893+00:00", "vendors": ["dell", "dell$PRODUCT$powerprotect_data_domain"]}