CVE-2026-26951

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-26951", "assignerOrgId": "c550e75a-17ff-4988-97f0-544cde3820fe", "state": "PUBLISHED", "assignerShortName": "dell", "dateReserved": "2026-02-16T18:04:20.509Z", "datePublished": "2026-04-20T16:44:49.612Z", "dateUpdated": "2026-04-22T03:56:07.580Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "c550e75a-17ff-4988-97f0-544cde3820fe", "shortName": "dell", "dateUpdated": "2026-04-20T16:44:49.612Z"}, "datePublic": "2026-04-15T18:30:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-121", "description": "CWE-121: Stack-based Buffer Overflow", "type": "CWE"}]}], "affected": [{"vendor": "Dell", "product": "PowerProtect Data Domain", "versions": [{"status": "affected", "version": "0", "lessThan": "8.6.1.10, 8.7.0.0 or later", "versionType": "semver"}, {"status": "affected", "version": "0", "lessThan": "8.3.1.30 or later", "versionType": "semver"}, {"status": "affected", "version": "0", "lessThan": "7.13.1.70 or later", "versionType": "semver"}, {"status": "affected", "version": "0", "lessThan": "2.7.9 with DD OS 8.3.1.30", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.6, LTS2025 release version 8.3.1.0 through 8.3.1.20, LTS2024 release versions 7.13.1.0 through 7.13.1.60 contain a stack-based buffer overflow vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to arbitrary command execution with root privileges.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.6, LTS2025 release version 8.3.1.0 through 8.3.1.20, LTS2024 release versions 7.13.1.0 through 7.13.1.60 contain a stack-based buffer overflow vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to arbitrary command execution with root privileges."}]}], "references": [{"url": "https://www.dell.com/support/kbdoc/en-us/000450699/dsa-2026-060-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": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "MEDIUM", "baseScore": 6.7, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"}}], "credits": [{"lang": "en", "value": "Dell would like to thank brocked200 (Nguyen Quoc Khanh) for reporting these issues.", "type": "reporter"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.1"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-04-21T00:00:00+00:00", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-26951"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-22T03:56:07.580Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-26951", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-04-20T17:45:03.361953Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-20T17:45:06.786Z"}}], "cna": {"source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "reporter", "value": "Dell would like to thank brocked200 (Nguyen Quoc Khanh) for reporting these issues."}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Dell", "product": "PowerProtect Data Domain", "versions": [{"status": "affected", "version": "0", "lessThan": "8.6.1.10, 8.7.0.0 or later", "versionType": "semver"}, {"status": "affected", "version": "0", "lessThan": "8.3.1.30 or later", "versionType": "semver"}, {"status": "affected", "version": "0", "lessThan": "7.13.1.70 or later", "versionType": "semver"}, {"status": "affected", "version": "0", "lessThan": "2.7.9 with DD OS 8.3.1.30", "versionType": "semver"}], "defaultStatus": "unaffected"}], "datePublic": "2026-04-15T18:30:00.000Z", "references": [{"url": "https://www.dell.com/support/kbdoc/en-us/000450699/dsa-2026-060-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities", "tags": ["vendor-advisory"]}], "x_generator": {"engine": "Vulnogram 1.0.1"}, "descriptions": [{"lang": "en", "value": "Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.6, LTS2025 release version 8.3.1.0 through 8.3.1.20, LTS2024 release versions 7.13.1.0 through 7.13.1.60 contain a stack-based buffer overflow vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to arbitrary command execution with root privileges.", "supportingMedia": [{"type": "text/html", "value": "Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.6, LTS2025 release version 8.3.1.0 through 8.3.1.20, LTS2024 release versions 7.13.1.0 through 7.13.1.60 contain a stack-based buffer overflow vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to arbitrary command execution with root privileges.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-121", "description": "CWE-121: Stack-based Buffer Overflow"}]}], "providerMetadata": {"orgId": "c550e75a-17ff-4988-97f0-544cde3820fe", "shortName": "dell", "dateUpdated": "2026-04-20T16:44:49.612Z"}}}, "cveMetadata": {"cveId": "CVE-2026-26951", "state": "PUBLISHED", "dateUpdated": "2026-04-22T03:56:07.580Z", "dateReserved": "2026-02-16T18:04:20.509Z", "assignerOrgId": "c550e75a-17ff-4988-97f0-544cde3820fe", "datePublished": "2026-04-20T16:44:49.612Z", "assignerShortName": "dell"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "PowerProtect Data Domain", "vendor": "Dell", "versions": [{"lessThan": "8.6.1.10, 8.7.0.0 or later", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "8.3.1.30 or later", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "7.13.1.70 or later", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "2.7.9 with DD OS 8.3.1.30", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security_alert@emc.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:dell:powerprotect_dp_series_appliance:*:*:*:*:*:*:*:*", "matchCriteriaId": "9AD58029-9254-43B4-8CD0-3E5B90B3233B", "versionEndExcluding": "2.7.9", "vulnerable": true}, {"criteria": "cpe:2.3:o:dell:data_domain_operating_system:*:*:*:*:*:*:*:*", "matchCriteriaId": "FC897776-0E86-478C-B120-1D5D89C2B488", "versionEndExcluding": "7.13.1.70", "versionStartIncluding": "7.7.1.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:dell:data_domain_operating_system:*:*:*:*:*:*:*:*", "matchCriteriaId": "31B5984D-B918-4CA6-95E5-D1DE0FC946CD", "versionEndExcluding": "8.3.1.30", "versionStartIncluding": "8.3.1.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:dell:data_domain_operating_system:*:*:*:*:*:*:*:*", "matchCriteriaId": "749DB068-EDFA-402A-91EB-66575CA10EDD", "versionEndExcluding": "8.6.1.0", "versionStartIncluding": "8.4.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.6, LTS2025 release version 8.3.1.0 through 8.3.1.20, LTS2024 release versions 7.13.1.0 through 7.13.1.60 contain a stack-based buffer overflow vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to arbitrary command execution with root privileges."}, {"lang": "es", "value": "Dell PowerProtect Data Domain, versiones 7.7.1.0 hasta 8.6, versi\u00f3n de lanzamiento LTS2025 8.3.1.0 hasta 8.3.1.20, versiones de lanzamiento LTS2024 7.13.1.0 hasta 7.13.1.60 contienen una vulnerabilidad de desbordamiento de b\u00fafer basado en pila. Un atacante con altos privilegios y acceso local podr\u00eda potencialmente explotar esta vulnerabilidad, lo que llevar\u00eda a la ejecuci\u00f3n arbitraria de comandos con privilegios de root."}], "id": "CVE-2026-26951", "lastModified": "2026-10-26T21:10:00.170", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.8, "impactScore": 5.9, "source": "security_alert@emc.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-26951", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-04-21T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-04-20T17:16:32.950", "references": [{"source": "security_alert@emc.com", "tags": ["Vendor Advisory"], "url": "https://www.dell.com/support/kbdoc/en-us/000450699/dsa-2026-060-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities"}], "sourceIdentifier": "security_alert@emc.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-121"}], "source": "security_alert@emc.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,8.6.1.10)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[8.7.0.0,*]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,8.3.1.30)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[8.3.1.30,*]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,7.13.1.70)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[7.13.1.70,*]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.7.9)"}}], "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"}], "analysis": {"en": {"generated_at": "2026-04-20T20:42:45.762566+00:00", "value": {"mitigation_remediation": ["Apply the Dell PowerProtect Data Domain security update DSA\u20112026\u2011060 to all affected devices to correct the stack\u2011based buffer overflow.", "Disable or remove unnecessary local administrative users on the systems to reduce the attack surface for privileged attackers.", "Enable and monitor audit logging for privileged command execution on the devices to detect any potential exploitation attempts."], "summary": {"action": "Immediate Patch", "impact": "Local Privileged Arbitrary Command Execution"}, "threat_synthesis": {"affected_systems": "Dell PowerProtect Data Domain products from versions 7.7.1.0 through 8.6, LTS2025 releases 8.3.1.0 to 8.3.1.20, and LTS2024 releases 7.13.1.0 to 7.13.1.60 are affected. Users running any of these firmware or software editions are at risk.", "description_and_impact": "A stack-based buffer overflow exists in Dell PowerProtect Data Domain software that allows a high privileged attacker with local access to execute arbitrary commands with root privileges. Exploitation would give the attacker unrestricted control over the system, enabling them to compromise data integrity, confidentiality, or availability.", "risk_and_exploitability": "The CVSS score of 6.7 indicates a moderate severity. EPSS information is not available, and the vulnerability is not listed in CISA KEV, suggesting it is not actively exploited in the wild. However, the attack requires local privileged access, which may be obtained through physical access or compromised local accounts. If exploited, root level command execution could lead to full system compromise. Regular patching is the most effective mitigation."}}}}, "created": "2026-04-20T20:45:16.924347+00:00", "title": "Stack-Based Buffer Overflow in Dell PowerProtect Data Domain Allows Local Privileged Command Execution", "updated": "2026-04-20T22:30:19.705605+00:00", "vendors": ["dell", "dell$PRODUCT$powerprotect_data_domain"]}