{"id":"CVE-2026-62834","aliases":["EUVD-2026-63688","GHSA-crh8-242h-76g6"],"status":"published","title":"Azure Data Factory Elevation of Privilege Vulnerability","description":"Improper verification of cryptographic signature in Azure Data Factory allows an unauthorized attacker to elevate privileges over a network.","severity":{"version":"3.1","score":9.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.00529,"percentile":0.45036,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-347"],"published":"2026-08-20T21:43:09Z","modified":"2026-10-30T17:19:22Z","products":[{"vendor":"microsoft","product":"azure data factory"},{"vendor":"microsoft","product":"azure_data_factory"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62834","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-62834"},{"url":"https://github.com/advisories/GHSA-crh8-242h-76g6"}],"sources":{"cve":[{"id":"CVE-2026-62834","title":"Azure Data Factory Elevation of Privilege Vulnerability","description":"Improper verification of cryptographic signature in Azure Data Factory allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2026-08-20T21:43:09.956Z","modified":"2026-10-30T17:19:22.715Z","cvss":[{"version":"3.1","score":9.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C","level":"critical","assessor":"cna"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:20:14.999906Z"}],"euvd":[{"id":"EUVD-2026-63688","description":"Improper verification of cryptographic signature in Azure Data Factory allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2026-08-20T21:43:09Z","modified":"2026-10-30T17:19:22Z","cvss":[{"version":"3.1","score":9.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C","level":"critical"}],"updated_at":"2026-11-02T16:59:05.130363Z"}],"ghsa":[{"id":"GHSA-crh8-242h-76g6","title":"Improper verification of cryptographic signature in Azure Data Factory allows an unauthorized...","description":"Improper verification of cryptographic signature in Azure Data Factory allows an unauthorized 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":9.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N","level":"critical"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T15:10:48.883791Z"}],"nvd":[{"id":"CVE-2026-62834","description":"Improper verification of cryptographic signature in Azure Data Factory allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2026-08-20T22:17:43.07Z","modified":"2026-10-18T20:10:00.11Z","cvss":[{"version":"3.1","score":9.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:12:40.302911Z"}]}}