{"id":"CVE-2026-81349","title":"Improper neutralization of special elements used in an os command ('os command injection') in Azure HDInsights allows an authorized attacker to elevate privileges over a network.","summary":"Improper neutralization of special elements used in an os command ('os command injection') in Azure HDInsights allows an authorized attacker to elevate privileges over a network.","severity":"high","cvss":7.2,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-78"],"vendor":"microsoft","product":"azure_hdinsight","affected":["azure_hdinsight < 5.1"],"patched":["azure_hdinsight 5.1"],"published":"2026-09-08","updated":"2026-09-23","sourceUpdated":"2026-09-23T19:55:14.127","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-81349","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-81349","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"epss":0.00719,"epssPercentile":0.52453,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-09T04:18:40.274753Z"},"ingestedAt":"2026-09-08T19:08:49.631Z","slug":"CVE-2026-81349","body":"## Overview\n\nImproper neutralization of special elements used in an os command ('os command injection') in Azure HDInsights allows an authorized attacker to elevate privileges over a network.\n\n## Affected\n\n- `azure_hdinsight < 5.1`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `azure_hdinsight 5.1`","depth":"twilight","depthScore":40,"depthScoreParts":{"impact":39.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}