CVE-2026-21524

HIGH
2026-01-22 [email protected]
7.4
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
CVE Published
Jan 22, 2026 - 23:15 nvd
HIGH 7.4

Tags

Azure Azure Data Explorer

Description

Exposure of sensitive information to an unauthorized actor in Azure Data Explorer allows an unauthorized attacker to disclose information over a network.

Analysis

Azure Data Explorer exposes sensitive information to unauthenticated remote attackers through a network-accessible vulnerability requiring only user interaction. An attacker can retrieve confidential data without authorization, potentially compromising customer information stored in affected Azure deployments. …

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Remediation

Within 24 hours: Inventory all Azure Data Explorer instances and identify those containing sensitive or regulated data. Within 7 days: Implement network segmentation and access controls to limit Data Explorer exposure; enable diagnostic logging to detect unauthorized access attempts. …

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Priority Score

37
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +37
POC: 0

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CVE-2026-21524 vulnerability details – vuln.today
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