{"id":"CVE-2026-87701","aliases":["EUVD-2026-82591","GHSA-h2ch-prcm-fxx9"],"status":"published","title":"Azure Cosmos DB Elevation of Privilege Vulnerability","description":"Improper neutralization of special elements in output used by a downstream component ('injection') in Azure Cosmos DB allows an authorized attacker to elevate privileges over a network.","severity":{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00789,"percentile":0.5652,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-74"],"published":"2026-09-17T22:55:57Z","modified":"2026-10-31T16:09:26Z","products":[{"vendor":"microsoft","product":"azure cosmos db"},{"vendor":"microsoft","product":"azure_cosmos_db"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-87701","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-87701"},{"url":"https://github.com/advisories/GHSA-h2ch-prcm-fxx9"}],"sources":{"cve":[{"id":"CVE-2026-87701","title":"Azure Cosmos DB Elevation of Privilege Vulnerability","description":"Improper neutralization of special elements in output used by a downstream component ('injection') in Azure Cosmos DB allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-09-17T22:55:57.445Z","modified":"2026-10-31T16:09:26.746Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C","level":"critical","assessor":"cna"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T13:37:47.463822Z"}],"euvd":[{"id":"EUVD-2026-82591","description":"Improper neutralization of special elements in output used by a downstream component ('injection') in Azure Cosmos DB allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-09-17T22:55:57Z","modified":"2026-10-31T16:09:26Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C","level":"critical"}],"updated_at":"2026-11-02T16:59:00.503345Z"}],"ghsa":[{"id":"GHSA-h2ch-prcm-fxx9","title":"Improper neutralization of special elements in output used by a downstream component ('injection'...","description":"Improper neutralization of special elements in output used by a downstream component ('injection') in Azure Cosmos DB allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-09-18T00:31:10Z","modified":"2026-09-18T00:31:15Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","level":"critical"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T15:12:08.779152Z"}],"nvd":[{"id":"CVE-2026-87701","description":"Improper neutralization of special elements in output used by a downstream component ('injection') in Azure Cosmos DB allows an authorized attacker to elevate privileges over a network.","status":"published","published":"2026-09-17T23:18:53.623Z","modified":"2026-09-29T18:52:30.42Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","level":"critical","assessor":"secondary"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T14:12:49.70655Z"}]}}