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CVE-2026-81349Important

Azure HDInsight Ambari Elevation of Privilege Vulnerability

MSRC advisory NVD CVE.org

Assessment

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
Important
CVSS base score
7.2CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
Impact
Elevation of Privilege
EPSS, next 30 days
1.0%Higher than 61.6% of scored CVEs · FIRST model run 26 Sep 2026 · about EPSS
Exploitability
Not assessed
Publicly disclosed
No
Customer action
Required: apply the update
Component
Azure HDInsights
Weakness
CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Issued by
Microsoft
Published
8 Sep 2026 · September 2026
Last revised
8 Sep 2026

Updates that fix it

0 KBs

No KB listed

MSRC lists no downloadable update, which usually means a service-side fix or a release-notes update. Check the MSRC advisory.

Affected products

Azure
1 affected product
  • Azure HDInsight
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