Product:
Azure Connected Machine Agent
Summary
Stack-based buffer overflow in Azure Connected Machine Agent allows an authorized attacker to elevate privileges locally. This vulnerability poses a significant risk as it can lead to unauthorized access and control over the affected system. The issue arises from improper handling of memory, which can be exploited by attackers with local access.
Details
| Severity | Base Score | CVE |
|---|---|---|
| HIGH | 7.8 | CVE-2026-21224 |
Exploitation
To exploit this vulnerability, an attacker must have local access to the system running the Azure Connected Machine Agent. By sending specially crafted input to the application, the attacker can trigger the stack-based buffer overflow, leading to privilege escalation. This allows the attacker to execute arbitrary code with elevated privileges, potentially compromising the entire system.
Affected Products
- Azure Connected Machine Agent: A tool that enables Azure services on connected machines, which is vulnerable to local privilege escalation due to a stack-based buffer overflow.
Mitigation
To mitigate this vulnerability, it is recommended to apply the latest security updates provided by Microsoft for the Azure Connected Machine Agent. Additionally, restricting local access to the system and monitoring for any suspicious activity can help reduce the risk of exploitation.