{"id":"CVE-2026-21524","state":"PUBLISHED","title":"Azure Data Explorer Information Disclosure Vulnerability","description":"Exposure of sensitive information to an unauthorized actor in Azure Data Explorer allows an unauthorized attacker to disclose information over a network.","publishedAt":"2026-01-22T22:47:35.505Z","updatedAt":"2026-07-30T20:47:31.686Z","severity":{"score":7.4,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N/E:P/RL:O/RC:C","source":"microsoft"},"assigner":"microsoft","products":["Microsoft Azure Data Explorer"],"affected":[{"vendor":"Microsoft","product":"Azure Data Explorer","versions":[{"version":"-","status":"affected"}]}],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21524"],"weaknesses":["CWE-200"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/21xxx/CVE-2026-21524.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-21524","state":"PUBLISHED","datePublished":"2026-01-22T22:47:35.505Z","dateUpdated":"2026-07-30T20:47:31.686Z","assignerShortName":"microsoft","assignerOrgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","dateReserved":"2025-12-30T18:10:54.846Z"},"containers":{"cna":{"title":"Azure Data Explorer Information Disclosure Vulnerability","descriptions":[{"lang":"en-US","value":"Exposure of sensitive information to an unauthorized actor in Azure Data Explorer allows an unauthorized attacker to disclose information over a network."}],"affected":[{"vendor":"Microsoft","product":"Azure Data Explorer","versions":[{"version":"-","status":"affected"}]}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21524","name":"Azure Data Explorer Information Disclosure Vulnerability","tags":["vendor-advisory","patch"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en-US","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","baseSeverity":"HIGH","baseScore":7.4,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N/E:P/RL:O/RC:C"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en-US","type":"CWE"}]}],"providerMetadata":{"shortName":"microsoft","orgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","dateUpdated":"2026-07-30T20:47:31.686Z"},"datePublic":"2026-01-22T16:00:00.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:azure_data_explorer:*:*:*:*:*:*:*:*","versionStartIncluding":"-"}]}]}],"tags":["exclusively-hosted-service"]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-01-23T20:07:40.157571Z","id":"CVE-2026-21524","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-23T20:07:51.256Z"}}]}}}