{"id":"CVE-2026-63509","aliases":["EUVD-2026-63620","GHSA-3r75-wcfw-gxm8"],"status":"published","title":"Microsoft Fabric Elevation of Privilege Vulnerability","description":"Relative path traversal in Microsoft Fabric allows an authorized attacker to elevate privileges over a network.","severity":{"version":"3.1","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","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01024,"percentile":0.63803,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-23"],"published":"2026-08-20T21:47:06Z","modified":"2026-11-10T22:01:18Z","products":[{"vendor":"microsoft","product":"fabric"},{"vendor":"microsoft","product":"microsoft fabric"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-63509","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63509"},{"url":"https://github.com/advisories/GHSA-3r75-wcfw-gxm8"}],"sources":{"cve":[{"id":"CVE-2026-63509","title":"Microsoft Fabric Elevation of Privilege Vulnerability","description":"Relative path traversal in Microsoft Fabric allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-08-20T21:47:06.623Z","modified":"2026-11-10T22:01:18.173Z","cvss":[{"version":"3.1","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","level":"critical","assessor":"cna"}],"cwes":["CWE-23"],"updated_at":"2026-11-10T23:49:30.334266Z"}],"euvd":[{"id":"EUVD-2026-63620","description":"Relative path traversal in Microsoft Fabric allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-08-20T21:47:06Z","modified":"2026-11-10T22:01:18Z","cvss":[{"version":"3.1","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","level":"critical"}],"updated_at":"2026-11-10T23:24:16.163953Z"}],"ghsa":[{"id":"GHSA-3r75-wcfw-gxm8","title":"Relative path traversal in Microsoft Fabric allows an authorized attacker to elevate privileges...","description":"Relative path traversal in Microsoft Fabric allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-08-21T00:31:21Z","modified":"2026-08-21T00:31:30Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-23"],"updated_at":"2026-11-02T15:10:48.883791Z"}],"nvd":[{"id":"CVE-2026-63509","description":"Relative path traversal in Microsoft Fabric allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-08-20T22:17:46.963Z","modified":"2026-10-18T20:10:00.11Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-23"],"updated_at":"2026-11-02T14:12:40.302911Z"}]}}