{"id":"CVE-2026-42834","aliases":["EUVD-2026-31104","GHSA-33pm-33cg-5576"],"status":"published","title":"Windows Admin Center in Azure Portal Elevation of Privilege Vulnerability","description":"Improper access control in Windows Admin Center allows an authorized attacker to elevate privileges over a network.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00408,"percentile":0.35392,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-59"],"published":"2026-05-20T13:09:44Z","modified":"2026-08-10T15:13:48Z","products":[{"vendor":"microsoft","product":"windows admin center in azure portal"},{"vendor":"microsoft","product":"windows_admin_center"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42834","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42834"},{"url":"https://github.com/advisories/GHSA-33pm-33cg-5576"}],"sources":{"cve":[{"id":"CVE-2026-42834","title":"Windows Admin Center in Azure Portal Elevation of Privilege Vulnerability","description":"Improper access control in Windows Admin Center allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-05-20T13:09:44.888Z","modified":"2026-08-10T15:13:48.794Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T13:40:35.004553Z"}],"euvd":[{"id":"EUVD-2026-31104","description":"Improper access control in Windows Admin Center allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-05-20T13:09:44Z","modified":"2026-08-10T15:13:48Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T18:02:01.941928Z"}],"ghsa":[{"id":"GHSA-33pm-33cg-5576","title":"Improper link resolution before file access ('link following') in Azure Portal Windows Admin...","description":"Improper link resolution before file access ('link following') in Azure Portal Windows Admin Center allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-05-20T15:35:32Z","modified":"2026-05-20T15:35:32Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T15:08:13.87243Z"}],"nvd":[{"id":"CVE-2026-42834","description":"Improper access control in Windows Admin Center allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-05-20T13:16:34.5Z","modified":"2026-07-23T12:10:00.11Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:12:19.752984Z"}]}}