{"id":"CVE-2026-63509","aliases":[],"cve":{"records":[{"id":"CVE-2026-63509","source":"microsoft","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-07-16T22:05:22.739Z","published":"2026-08-20T21:47:06.623Z","modified":"2026-10-30T17:23:14.372Z"}],"publishers":[{"name":"microsoft","role":"CNA","organizationId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","modified":"2026-10-30T17:23:14.372Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-08-22T03:56:25.245Z"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-63509","tags":["vendor-advisory","patch"],"source":"microsoft"}],"weaknesses":[{"id":"CWE-23","description":"CWE-23: Relative Path Traversal","source":"microsoft"}],"applicability":[{"source":"microsoft","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:microsoft_fabric:*:*:*:*:*:*:*:*","versionStartIncluding":"-"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-08-21T00:00:00+00:00","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"total"}]}]},"title":"Microsoft Fabric Elevation of Privilege Vulnerability","titleSource":"microsoft","descriptionSource":"microsoft","description":"Relative path traversal in Microsoft Fabric allows an authorized attacker to elevate privileges over a network.","score":9.9,"severity":"critical","published":"2026-08-20T21:47:06.623Z","modified":"2026-10-30T17:23:14.372Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Microsoft","name":"Microsoft Fabric","platforms":[],"versions":[{"version":"-","status":"affected"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-63509"}],"remediation":[],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-63509"],"sources":[{"name":"CVE","id":"CVE-2026-63509","modified":"2026-10-30T17:23:14.372Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-63509"}],"assessments":[{"source":"microsoft","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","score":9.9}],"sourceAffected":[],"observedAt":"2026-10-30T18:45:07.643Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T14:00:31.626Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-29T00:55:32.564Z","attemptedAt":"2026-10-29T00:55:32.564Z"},{"source":"GHSA","status":"available","checkedAt":"2026-10-29T00:55:32.564Z","attemptedAt":"2026-10-29T00:55:32.564Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-29T00:55:32.564Z","attemptedAt":"2026-10-29T00:55:32.564Z"},{"source":"EPSS","status":"available","checkedAt":"2026-10-29T00:55:32.564Z","attemptedAt":"2026-10-29T00:55:32.564Z"}],"evidence":[{"source":"GitHub Advisory Database","id":"GHSA-3r75-wcfw-gxm8","url":"https://github.com/advisories/GHSA-3r75-wcfw-gxm8","modified":"2026-08-21T00:31:30Z","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","checkedAt":"2026-10-29T00:55:32.564Z"},{"source":"ENISA EUVD","id":"EUVD-2026-63620","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-63620","modified":"Oct 28, 2026, 8:08:55 PM","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","checkedAt":"2026-10-29T00:55:32.564Z"},{"source":"NVD","id":"CVE-2026-63509","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63509","modified":"2026-10-18T20:10:00.110","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","checkedAt":"2026-10-29T00:55:32.564Z"},{"source":"NVD","id":"CVE-2026-63509","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63509","modified":"2026-10-18T20:10:00.110","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","checkedAt":"2026-10-29T00:55:32.564Z"},{"source":"FIRST EPSS","id":"CVE-2026-63509","url":"https://www.first.org/epss/","probability":0.01024,"percentile":0.63409,"date":"2026-10-28","checkedAt":"2026-10-29T00:55:32.564Z"}],"aiSummary":{"text":"Microsoft Fabric has a relative path traversal vulnerability, allowing an authorized attacker to elevate privileges over a network. The affected version is unspecified. This weakness may lead to privilege escalation.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T09:02:41.953Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-63509"}]}}