Vulnerability · Published Sep 8, 2026 · Assigned by microsoft
CVE-2026-81349Azure HDInsight Ambari Elevation of Privilege Vulnerability
High 7.2
In plain English
A high-severity OS command injection in Azure HDInsight from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities).
Severity (CVSS 3.1)7.2High
Exploit odds (30 days)1.0%top 36.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Azure HDInsight | 1.0 – before 2606012120 |
Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
References
- Azure HDInsight Ambari Elevation of Privilege Vulnerability vendor-advisory, patch