{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-40417", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "state": "PUBLISHED", "assignerShortName": "microsoft", "dateReserved": "2026-04-13T00:27:50.798Z", "datePublished": "2026-05-12T16:58:47.393Z", "dateUpdated": "2026-05-12T17:53:46.693Z"}, "containers": {"cna": {"title": "Microsoft Dynamics 365 Business Central Elevation of Privilege Vulnerability", "datePublic": "2026-05-12T14:00:00.000Z", "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:dynamics_365_business_central_2026:*:release_wave_1:*:*:*:*:*:*", "versionStartIncluding": "28.0", "versionEndExcluding": "28.1"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:dynamics_365_business_central_2025:*:release_wave_1:*:*:*:*:*:*", "versionStartIncluding": "26.0", "versionEndExcluding": "26.12"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:dynamics_365_business_central_2025:*:release_wave_2:*:*:*:*:*:*", "versionStartIncluding": "27.0", "versionEndExcluding": "27.6"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:dynamics_365_business_central_2024:*:release_wave_2:*:*:*:*:*:*", "versionStartIncluding": "25.0", "versionEndExcluding": "25.18"}]}]}], "affected": [{"vendor": "Microsoft", "product": "Microsoft Dynamics 365 Business Central 2024 Release Wave 2", "versions": [{"version": "25.0", "lessThan": "25.18", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Dynamics 365 Business Central 2026 Release Wave 1", "versions": [{"version": "28.0", "lessThan": "28.1", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Dynamics 365 Business Central Release Wave 1 2025", "versions": [{"version": "26.0", "lessThan": "26.12", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Dynamics 365 Business Central Release Wave 2 2025", "versions": [{"version": "27.0", "lessThan": "27.6", "versionType": "custom", "status": "affected"}]}], "descriptions": [{"value": "Weak authentication in Dynamics Business Central allows an authorized attacker to elevate privileges locally.", "lang": "en-US"}], "problemTypes": [{"descriptions": [{"description": "CWE-1390: Weak Authentication", "lang": "en-US", "type": "CWE", "cweId": "CWE-1390"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-05-12T17:53:46.693Z"}, "references": [{"name": "Microsoft Dynamics 365 Business Central Elevation of Privilege Vulnerability", "tags": ["vendor-advisory", "patch"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40417"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseSeverity": "HIGH", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}}]}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Weak authentication in Dynamics Business Central allows an authorized attacker to elevate privileges locally."}], "id": "CVE-2026-40417", "lastModified": "2026-05-12T18:17:19.817", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "secure@microsoft.com", "type": "Primary"}]}, "published": "2026-05-12T18:17:19.817", "references": [{"source": "secure@microsoft.com", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40417"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1390"}], "source": "secure@microsoft.com", "type": "Primary"}]}

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{"created": "2026-05-12T20:15:24.320528+00:00", "updated": "2026-05-12T20:15:24.320537+00:00", "vendors": []}