{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-76159", "assignerOrgId": "256c161b-b921-402b-8c3b-c6c9c14d5d88", "state": "PUBLISHED", "assignerShortName": "ZUSO ART", "dateReserved": "2026-08-19T08:03:53.871Z", "datePublished": "2026-09-15T08:49:12.313Z", "dateUpdated": "2026-09-15T13:33:17.592Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "256c161b-b921-402b-8c3b-c6c9c14d5d88", "shortName": "ZUSO ART", "dateUpdated": "2026-09-15T08:49:12.313Z"}, "title": "Duplicati for Windows - Incorrect Permission Assignment for Critical Resource", "datePublic": "2026-09-15T08:44:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-732", "description": "CWE-732: Incorrect Permission Assignment for Critical Resource", "type": "CWE"}]}], "affected": [{"vendor": "Duplicati", "product": "Duplicati", "platforms": ["Windows"], "versions": [{"status": "affected", "version": "0", "lessThan": "v2.4.0.0", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Incorrect Permission Assignment for Critical Resource in the configuration loader of Duplicati for Windows versions before v2.4.0.0 allows a local low-privileged attacker to escalate privileges to NT AUTHORITY\\SYSTEM via an attacker-controlled preload.json file.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Incorrect Permission Assignment for Critical Resource in the configuration loader of Duplicati for Windows versions before v2.4.0.0 allows a local low-privileged attacker to escalate privileges to NT AUTHORITY\\SYSTEM via an attacker-controlled preload.json file."}]}], "references": [{"url": "https://zuso.ai/advisory/", "tags": ["third-party-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 7, "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-15T13:32:58.660934Z", "id": "CVE-2026-76159", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-15T13:33:17.592Z"}}]}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "platforms": ["Windows"], "product": "Duplicati", "vendor": "Duplicati", "versions": [{"lessThan": "v2.4.0.0", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "ART@zuso.ai"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Incorrect Permission Assignment for Critical Resource in the configuration loader of Duplicati for Windows versions before v2.4.0.0 allows a local low-privileged attacker to escalate privileges to NT AUTHORITY\\SYSTEM via an attacker-controlled preload.json file."}], "id": "CVE-2026-76159", "lastModified": "2026-09-15T09:16:43.900", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.0, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "ART@zuso.ai", "type": "Secondary"}]}, "published": "2026-09-15T09:16:43.900", "references": [{"source": "ART@zuso.ai", "url": "https://zuso.ai/advisory/"}], "sourceIdentifier": "ART@zuso.ai", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-732"}], "source": "ART@zuso.ai", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": ["windows"], "status": "affected", "versions": {"scheme": "generic", "value": "[0,v2.4.0.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Duplicati", "source": "cna", "vendor": "Duplicati"}, "product": "duplicati", "vendor": "duplicati"}], "created": "2026-09-15T10:30:12.598582+00:00", "updated": "2026-09-15T10:30:12.598603+00:00", "vendors": ["duplicati", "duplicati$PRODUCT$duplicati"]}