CVE-2026-81349

HIGH CVSS 3.1: 7.2 EPSS 1.01%
Updated Sep 23, 2026
Microsoft
Parameter Value
CVSS 7.2 (HIGH)
Affected Versions 1.0 — 5.1
Fixed In 2606012120
Type CWE-78 (OS Command Injection)
Vendor Microsoft
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
High
Admin privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 2

Configuration From (including) Up to (excluding)
Microsoft Azure_Hdinsights
cpe:2.3:a:microsoft:azure_hdinsights:*:*:*:*:*:*:*:*
1.0 2606012120
Microsoft Azure_Hdinsight
cpe:2.3:a:microsoft:azure_hdinsight:*:*:*:*:*:*:*:*
— 5.1