CVE-2026-106077

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-106077", "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "state": "PUBLISHED", "assignerShortName": "hackerone", "dateReserved": "2026-10-06T15:00:00.655Z", "datePublished": "2026-10-27T16:16:58.905Z", "dateUpdated": "2026-11-04T20:24:34.752Z"}, "containers": {"cna": {"descriptions": [{"lang": "en", "value": "A vulnerability allowing a user with the Veeam Backup for Microsoft 365 Administrator role to read arbitrary files on the backup server with LocalSystem privileges."}], "affected": [{"defaultStatus": "unaffected", "vendor": "Veeam", "product": "Backup for Microsoft 365", "versions": [{"version": "8.0", "status": "affected", "lessThanOrEqual": "8.5.0.1014", "versionType": "semver"}]}], "references": [{"url": "https://www.veeam.com/kb4957"}], "metrics": [{"cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:N", "baseScore": 8.3, "baseSeverity": "HIGH"}}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "cweId": "CWE-863", "description": "CWE-863 Incorrect Authorization"}]}], "providerMetadata": {"orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "shortName": "hackerone", "dateUpdated": "2026-10-27T16:16:58.905Z"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-11-04T19:32:12.171777Z", "id": "CVE-2026-106077", "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": "2026-11-04T20:24:34.752Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-106077", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-11-04T19:32:12.171777Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-04T19:32:12.842Z"}}], "cna": {"metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 8.3, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:N"}}], "affected": [{"vendor": "Veeam", "product": "Backup for Microsoft 365", "versions": [{"status": "affected", "version": "8.0", "versionType": "semver", "lessThanOrEqual": "8.5.0.1014"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://www.veeam.com/kb4957"}], "descriptions": [{"lang": "en", "value": "A vulnerability allowing a user with the Veeam Backup for Microsoft 365 Administrator role to read arbitrary files on the backup server with LocalSystem privileges."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-863", "description": "CWE-863 Incorrect Authorization"}]}], "providerMetadata": {"orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "shortName": "hackerone", "dateUpdated": "2026-10-27T16:16:58.905Z"}}}, "cveMetadata": {"cveId": "CVE-2026-106077", "state": "PUBLISHED", "dateUpdated": "2026-11-04T20:24:34.752Z", "dateReserved": "2026-10-06T15:00:00.655Z", "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "datePublished": "2026-10-27T16:16:58.905Z", "assignerShortName": "hackerone"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Backup for Microsoft 365", "vendor": "Veeam", "versions": [{"lessThanOrEqual": "8.5.0.1014", "status": "affected", "version": "8.0", "versionType": "semver"}]}], "source": "support@hackerone.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability allowing a user with the Veeam Backup for Microsoft 365 Administrator role to read arbitrary files on the backup server with LocalSystem privileges."}], "id": "CVE-2026-106077", "lastModified": "2026-11-04T21:17:43.470", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.3, "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": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/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": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "support@hackerone.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-106077", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-04T19:32:12.171777Z", "version": "2.0.3"}}]}, "published": "2026-10-27T17:16:56.673", "references": [{"source": "support@hackerone.com", "url": "https://www.veeam.com/kb4957"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "support@hackerone.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[8.0,8.5.0.1014]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Backup for Microsoft 365", "source": "cna", "vendor": "Veeam"}, "product": "backup_for_microsoft_365", "vendor": "veeam"}], "created": "2026-10-27T18:15:06.704634+00:00", "title": "Veeam Backup for Microsoft 365 Administrator Role Allows Arbitrary File Read on Backup Server", "updated": "2026-10-28T22:12:22.329336+00:00", "vendors": ["veeam", "veeam$PRODUCT$backup_for_microsoft_365"]}