CVE-2026-81349CWE-78command-injection

CVE-2026-81349

High · published September 8, 2026

CVSS v3.1
7.2
EPSS
1%
Percentile
62.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.2 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01008 · 62.7th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-09-08T22:20Z
Affected products (1)
ProductVersionsFixed in
microsoft/azure_hdinsight< 5.15.1
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-81349 · [email protected]
EPSS history
Timeline
  • 10 SEP 03:18Z
    EPSS moved — → 1%
    epss
  • 08 SEP 17:13Z
    Azure HDInsight Ambari Elevation of Privilege Vulnerability
    cvelistv5