{"id":"CVE-2025-21396","aliases":["EUVD-2025-2457","GHSA-vcqr-f63g-v876"],"status":"published","title":"Microsoft Account Elevation of Privilege Vulnerability","description":"Missing authorization in Microsoft Account allows an unauthorized attacker to elevate privileges over a network.","severity":{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0071,"percentile":0.53858,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2025-01-29T23:07:03Z","modified":"2026-06-17T08:43:16Z","products":[{"vendor":"microsoft","product":"account"},{"vendor":"microsoft","product":"microsoft account"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21396","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-21396"},{"url":"https://github.com/advisories/GHSA-vcqr-f63g-v876"}],"sources":{"cve":[{"id":"CVE-2025-21396","title":"Microsoft Account Elevation of Privilege Vulnerability","description":"Missing authorization in Microsoft Account allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2025-01-29T23:07:03.752Z","modified":"2026-06-09T18:29:30.807Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:32:32.30152Z"}],"euvd":[{"id":"EUVD-2025-2457","description":"Missing authorization in Microsoft Account allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2025-01-29T23:07:03Z","modified":"2026-06-09T18:29:30Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T18:20:46.83857Z"}],"ghsa":[{"id":"GHSA-vcqr-f63g-v876","title":"Missing authorization in Microsoft Account allows an unauthorized attacker to elevate privileges...","description":"Missing authorization in Microsoft Account allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2025-01-30T00:31:04Z","modified":"2025-01-30T00:31:10Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:59:43.349858Z"}],"nvd":[{"id":"CVE-2025-21396","description":"Missing authorization in Microsoft Account allows an unauthorized attacker to elevate privileges over a network.","status":"published","published":"2025-01-29T23:15:32.64Z","modified":"2026-06-17T08:43:16.463Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"high","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":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:10:49.841519Z"}]}}