Azure CVE-2026-21224
HIGH
Stack-based Buffer Overflow (CWE-121)
2026-01-13
secure@microsoft.com
7.8
CVSS 3.1
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CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Lifecycle Timeline
2
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
CVE Published
Jan 13, 2026 - 18:16 nvd
HIGH 7.8
DescriptionNVD
Stack-based buffer overflow in Azure Connected Machine Agent allows an authorized attacker to elevate privileges locally.
AnalysisAI
Local privilege escalation in Azure Connected Machine Agent exploits a stack-based buffer overflow, enabling authenticated users to gain elevated system privileges. The vulnerability affects Azure and Stack Overflow deployments and requires local access with valid credentials to exploit. …
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RemediationAI
Within 7 days: Identify all affected systems and apply vendor patches promptly. If patching is delayed, consider network segmentation to limit exposure.
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External POC / Exploit Code
Leaving vuln.today
Destination URL
POC code from unknown sources may be malicious, contain backdoors, or be fake.
Always review and test exploit code in a safe, isolated environment (VM/sandbox).
Verify the source reputation and cross-reference with known databases (Exploit-DB, GitHub Security).