{"api_version":"1","generated_at":"2026-06-03T09:09:00+00:00","cve":"CVE-2026-42834","urls":{"html":"https://cve.report/CVE-2026-42834","api":"https://cve.report/api/cve/CVE-2026-42834.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-42834","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-42834"},"summary":{"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.","state":"PUBLISHED","assigner":"microsoft","published_at":"2026-05-20 13:16:34","updated_at":"2026-06-01 19:16:45"},"problem_types":["CWE-59","CWE-59 CWE-59: Improper Link Resolution Before File Access ('Link Following')"],"metrics":[{"version":"3.1","source":"secure@microsoft.com","type":"Secondary","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"7.8","severity":"HIGH","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","data":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"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","version":"3.1"}}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42834","name":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42834","refsource":"secure@microsoft.com","tags":["Vendor Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-42834","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42834","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Microsoft","product":"Windows Admin Center in Azure Portal","version":"affected 1.0 0.72.0.0. custom","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2026","cve_id":"42834","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"microsoft","cpe5":"windows_admin_center","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"azure","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"42834","cve":"CVE-2026-42834","epss":"0.000260000","percentile":"0.077100000","score_date":"2026-06-02","updated_at":"2026-06-03 00:08:15"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-42834","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2026-05-20T00:00:00+00:00","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-05-21T03:55:26.799Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"product":"Windows Admin Center in Azure Portal","vendor":"Microsoft","versions":[{"lessThan":"0.72.0.0.","status":"affected","version":"1.0","versionType":"custom"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:microsoft:azure_portal_windows_admin_center:*:*:*:*:*:*:*:*","versionEndExcluding":"0.72.0.0.","versionStartIncluding":"1.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"datePublic":"2026-05-19T14:00:00.000Z","descriptions":[{"lang":"en-US","value":"Improper access control in Windows Admin Center allows an authorized attacker to elevate privileges over a network."}],"metrics":[{"cvssV3_1":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"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","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en-US","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-59","description":"CWE-59: Improper Link Resolution Before File Access ('Link Following')","lang":"en-US","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-06-01T18:27:15.581Z","orgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","shortName":"microsoft"},"references":[{"name":"Windows Admin Center in Azure Portal Elevation of Privilege Vulnerability","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42834"}],"title":"Windows Admin Center in Azure Portal Elevation of Privilege Vulnerability"}},"cveMetadata":{"assignerOrgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","assignerShortName":"microsoft","cveId":"CVE-2026-42834","datePublished":"2026-05-20T13:09:44.888Z","dateReserved":"2026-04-30T14:51:12.703Z","dateUpdated":"2026-06-01T18:27:15.581Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-20 13:16:34","lastModifiedDate":"2026-06-01 19:16:45","problem_types":["CWE-59","CWE-59 CWE-59: Improper Link Resolution Before File Access ('Link Following')"],"metrics":{"cvssMetricV31":[{"source":"secure@microsoft.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:windows_admin_center:*:*:*:*:*:azure:*:*","versionEndExcluding":"0.72.0.0","matchCriteriaId":"A03F6B4A-F5F3-4FA8-A133-D47441305B5F"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"42834","Ordinal":"1","Title":"Windows Admin Center in Azure Portal Elevation of Privilege Vuln","CVE":"CVE-2026-42834","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"42834","Ordinal":"1","NoteData":"Improper access control in Windows Admin Center allows an authorized attacker to elevate privileges over a network.","Type":"Description","Title":"Windows Admin Center in Azure Portal Elevation of Privilege Vuln"}]}}}