{"id":"CVE-2026-40417","state":"PUBLISHED","title":"Microsoft Dynamics 365 Business Central Elevation of Privilege Vulnerability","description":"Weak authentication in Dynamics Business Central allows an authorized attacker to elevate privileges locally.","publishedAt":"2026-05-12T16:58:47.393Z","updatedAt":"2026-08-10T15:14:03.352Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"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","source":"microsoft"},"assigner":"microsoft","products":["Microsoft Microsoft Dynamics 365 Business Central 2024 Release Wave 2","Microsoft Microsoft Dynamics 365 Business Central 2026 Release Wave 1","Microsoft Microsoft Dynamics 365 Business Central Release Wave 1 2025","Microsoft Microsoft Dynamics 365 Business Central Release Wave 2 2025"],"affected":[{"vendor":"Microsoft","product":"Microsoft Dynamics 365 Business Central 2024 Release Wave 2","versions":[{"version":"25.0","status":"affected","lessThan":"25.2.48119","versionType":"custom"}]},{"vendor":"Microsoft","product":"Microsoft Dynamics 365 Business Central 2026 Release Wave 1","versions":[{"version":"28.0","status":"affected","lessThan":"28.0.49873","versionType":"custom"}]},{"vendor":"Microsoft","product":"Microsoft Dynamics 365 Business Central Release Wave 1 2025","versions":[{"version":"26.0","status":"affected","lessThan":"26.0.48120","versionType":"custom"}]},{"vendor":"Microsoft","product":"Microsoft Dynamics 365 Business Central Release Wave 2 2025","versions":[{"version":"27.0","status":"affected","lessThan":"27.0.48102","versionType":"custom"}]}],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40417"],"weaknesses":["CWE-1390"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/40xxx/CVE-2026-40417.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-40417","state":"PUBLISHED","datePublished":"2026-05-12T16:58:47.393Z","dateUpdated":"2026-08-10T15:14:03.352Z","assignerShortName":"microsoft","assignerOrgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","dateReserved":"2026-04-13T00:27:50.798Z"},"containers":{"cna":{"title":"Microsoft Dynamics 365 Business Central Elevation of Privilege Vulnerability","descriptions":[{"lang":"en-US","value":"Weak authentication in Dynamics Business Central allows an authorized attacker to elevate privileges locally."}],"affected":[{"vendor":"Microsoft","product":"Microsoft Dynamics 365 Business Central 2024 Release Wave 2","versions":[{"version":"25.0","status":"affected","lessThan":"25.2.48119","versionType":"custom"}]},{"vendor":"Microsoft","product":"Microsoft Dynamics 365 Business Central 2026 Release Wave 1","versions":[{"version":"28.0","status":"affected","lessThan":"28.0.49873","versionType":"custom"}]},{"vendor":"Microsoft","product":"Microsoft Dynamics 365 Business Central Release Wave 1 2025","versions":[{"version":"26.0","status":"affected","lessThan":"26.0.48120","versionType":"custom"}]},{"vendor":"Microsoft","product":"Microsoft Dynamics 365 Business Central Release Wave 2 2025","versions":[{"version":"27.0","status":"affected","lessThan":"27.0.48102","versionType":"custom"}]}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40417","name":"Microsoft Dynamics 365 Business Central Elevation of Privilege Vulnerability","tags":["vendor-advisory","patch"]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1390","description":"CWE-1390: Weak Authentication","lang":"en-US","type":"CWE"}]}],"providerMetadata":{"shortName":"microsoft","orgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","dateUpdated":"2026-08-10T15:14:03.352Z"},"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":"28.0.49873"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:dynamics_365_business_central_2025:*:release_wave_1:*:*:*:*:*:*","versionStartIncluding":"26.0","versionEndExcluding":"26.0.48120"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:dynamics_365_business_central_2025:*:release_wave_2:*:*:*:*:*:*","versionStartIncluding":"27.0","versionEndExcluding":"27.0.48102"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:dynamics_365_business_central_2024:*:release_wave_2:*:*:*:*:*:*","versionStartIncluding":"25.0","versionEndExcluding":"25.2.48119"}]}]}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-13T03:56:28.143764Z","id":"CVE-2026-40417","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-13T10:11:00.219Z"}}]}}}