{"id":"CVE-2026-21522","aliases":["EUVD-2026-7341","GHSA-2628-hv78-qx7g"],"status":"published","title":"Microsoft ACI Confidential Containers Elevation of Privilege Vulnerability","description":"Improper neutralization of special elements used in a command ('command injection') in Azure Compute Gallery allows an authorized attacker to elevate privileges locally.","severity":{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00436,"percentile":0.38364,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-77"],"published":"2026-02-10T17:51:29Z","modified":"2026-10-24T10:30:17Z","products":[{"vendor":"microsoft","product":"confcom"},{"vendor":"microsoft","product":"microsoft aci confidential containers"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21522","tags":["vendor-advisory","patch","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21522"},{"url":"https://github.com/advisories/GHSA-2628-hv78-qx7g"}],"sources":{"cve":[{"id":"CVE-2026-21522","title":"Microsoft ACI Confidential Containers Elevation of Privilege Vulnerability","description":"Improper neutralization of special elements used in a command ('command injection') in Azure Compute Gallery allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-02-10T17:51:29.618Z","modified":"2026-08-19T16:25:59.266Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T13:41:42.05254Z"}],"euvd":[{"id":"EUVD-2026-7341","description":"Improper neutralization of special elements used in a command ('command injection') in Azure Compute Gallery allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-02-10T17:51:29Z","modified":"2026-08-19T16:25:59Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T18:01:44.172516Z"}],"ghsa":[{"id":"GHSA-2628-hv78-qx7g","title":"Improper neutralization of special elements used in a command ('command injection') in Azure...","description":"Improper neutralization of special elements used in a command ('command injection') in Azure Compute Gallery allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-02-10T18:30:42Z","modified":"2026-02-10T18:30:51Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T15:06:07.875228Z"}],"nvd":[{"id":"CVE-2026-21522","description":"Improper neutralization of special elements used in a command ('command injection') in Azure Compute Gallery allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-02-10T18:16:34.577Z","modified":"2026-06-17T10:18:46.677Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T14:12:05.908608Z"}],"osv":[{"id":"CVE-2026-21522","description":"Improper neutralization of special elements used in a command ('command injection') in Azure Compute Gallery allows an authorized attacker to elevate privileges locally.","status":"published","published":"2026-02-10T18:16:34.577Z","modified":"2026-10-24T10:30:17.591103531Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:58.42038Z"}]}}