CVE-2026-40381

{"id": "CVE-2026-40381", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "secure@microsoft.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2026-05-12T18:17:16.970", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40381", "tags": ["Vendor Advisory"], "source": "secure@microsoft.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "secure@microsoft.com", "description": [{"lang": "en", "value": "CWE-284"}]}], "descriptions": [{"lang": "en", "value": "Improper access control in Azure Connected Machine Agent allows an authorized attacker to elevate privileges locally."}], "lastModified": "2026-05-18T13:35:34.993", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:azure_connected_machine_agent:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DCC1E702-0220-4D27-998C-88190796013B", "versionEndExcluding": "1.63"}], "operator": "OR"}]}], "sourceIdentifier": "secure@microsoft.com"}