CVE-2026-100207

Undergoing Analysis Undergoing Analysis - In Progress

Azure CycleCloud OS Command Injection Vulnerability

Publication date: 2026-10-13

Last updated on: 2026-10-16

Assigner: Microsoft Corporation

Description

Improper neutralization of special elements used in an os command ('os command injection') in Azure CycleCloud allows an authorized attacker to execute code locally.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-10-13

Last Modified

2026-10-16

Generated

2026-10-19

AI Q&A

2026-10-14

EPSS Evaluated

2026-10-18

NVD

CVE-2026-100207

EUVD

EUVD-2026-100318

Affected Vendors & Products

Vendor	Product	Version / Range
Microsoft	Azure	CycleCloud 8.9.1 1.0.0
Microsoft	Azure	CycleCloud 8.9.2 *

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-78	The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

Attack-Flow Graph

Executive Summary

This is an OS command injection vulnerability in Azure CycleCloud. It allows an authorized attacker to inject malicious commands that get executed locally on the system by improperly neutralizing special elements in OS commands.

Impact Analysis

An attacker could execute arbitrary code on your system with the privileges of the affected application. This could lead to data theft, system compromise, or further network infiltration if combined with other vulnerabilities.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, violating GDPR's integrity and confidentiality requirements or HIPAA's security rules for protected health information. Compliance may be compromised if exploited.

Mitigation Strategies

Apply the latest security update from Microsoft for Azure CycleCloud to patch the OS command injection vulnerability. Ensure all instances are updated to versions beyond 8.9.2.

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