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    CVE-2026-21224

    Stack-based buffer overflow in Azure Connected Machine Agent allows an authorized attacker to elevate privileges locally.

    Published:Jan 13, 2026
    Last Modified:Apr 16, 2026
    EPS:Jan 13, 2026
    EPSS Score:0.00066
    CVSS Score:7.8

    Affected Products

    Vendor
    Microsoft
    Product
    Azure Connected Machine Agent

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-121 Stack-based Buffer Overflow

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2025-58724 (CVSS 7.8) — Improper access control in Azure Connected Machine Agent allows an authorized attacker to elevate privileges l…
    CVE-2025-47989 (CVSS 7) — Improper access control in Azure Connected Machine Agent allows an authorized attacker to elevate privileges l…
    CVE-2025-49692 (CVSS 7.8) — Improper access control in Azure Windows Virtual Machine Agent allows an authorized attacker to elevate privil…
    CVE-2025-55316 (CVSS 7.8) — External control of file name or path in Azure Arc allows an authorized attacker to elevate privileges locally…
    CVE-2024-38162 (CVSS 7.8) — Azure Connected Machine Agent Elevation of Privilege Vulnerability…
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    CVE-2024-21329 (CVSS 7.3) — Azure Connected Machine Agent Elevation of Privilege Vulnerability…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High