CVE-2026-21228

HIGH
2026-02-10 [email protected]
8.1
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 22:02 vuln.today
CVE Published
Feb 10, 2026 - 18:16 nvd
HIGH 8.1

Tags

Azure Azure Local

Description

Improper certificate validation in Azure Local allows an unauthorized attacker to execute code over a network.

Analysis

Remote code execution in Azure Local stems from improper certificate validation, enabling unauthenticated attackers to execute arbitrary code over the network without user interaction. This HIGH severity vulnerability (CVSS 8.1) affects Azure and Azure Local deployments, with no patch currently available. …

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Remediation

Within 24 hours: Identify and inventory all Azure Local deployments in your environment and assess network exposure. Within 7 days: Implement network segmentation to restrict access to Azure Local systems and enable enhanced monitoring for suspicious certificate validation errors or unexpected connections. …

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Priority Score

41
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +40
POC: 0

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CVE-2026-21228 vulnerability details – vuln.today
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