Azure HDInsight Ambari Elevation of Privilege Vulnerability
Priority LOW 36CWE-78Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from Microsoft.
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01008 63rd percentileScored 2026-11-07
Fix Fixed Azure HDInsight (Microsoft): 2606012120
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Azure HDInsight (Microsoft) Fixed in 2606012120
Vendor assessments
Microsoft
Microsoft's page for this CVE →
- Impact
- Elevation of Privilege
- Exploited
- No
- Publicly disclosed
- No
- Exploitability
- —
| Product | Status | Plan or fix |
|---|---|---|
| Azure HDInsight | Fixed | 2606012120 · Security Update |
Timeline
- 2026-10-02 Threatist record created from CVE-2026-81349
- 2026-10-03 Alias added: GHSA-3mwh-c6rp-4w29
References
More Microsoft Azure Hdinsight vulnerabilities
- TI-2023-18280 Azure HDInsight Apache Oozie Workflow Scheduler XXE Elevation of Privilege Vulnerability CVSS 3.1CRITICAL 9.8
- TI-2023-19575 Azure HDInsight Apache Ambari JDBC Injection Elevation of Privilege Vulnerability CVSS 3.1HIGH 7.2
- TI-2023-09251 Azure Apache Ambari Spoofing Vulnerability CVSS 3.1MEDIUM 4.5
- TI-2026-17382 Azure HDInsight Spoofing Vulnerability CVSS 3.1MEDIUM 5.7
- TI-2023-17728 Azure Apache Hive Spoofing Vulnerability CVSS 3.1MEDIUM 4.5
- TI-2023-19603 Azure Apache Hadoop Spoofing Vulnerability CVSS 3.1MEDIUM 4.5
Sources
- CVE-2026-81349 · CVE Program
- CVE-2026-81349 · NVD
- FIRST EPSS
- GHSA-3mwh-c6rp-4w29 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-81349 · Microsoft Security Update Guide
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences