Stack-based Buffer Overflow Vulnerability in Azure Connected Machine Agent by Microsoft
CVE-2026-21224

7.8HIGH

Key Information:

Vendor

Microsoft
Status
Azure Connected Machine Agent
Vendor
CVE Published:
13 January 2026

What is CVE-2026-21224?

A stack-based buffer overflow vulnerability exists in the Azure Connected Machine Agent, allowing authorized attackers to elevate privileges on the affected system. Exploiting this flaw could enable attackers to execute code with elevated permissions, potentially compromising the integrity and security of the affected environment.

Affected Version(s)

Azure Connected Machine Agent 1.0.0 < 1.60.03293.2680

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.