Information Disclosure Vulnerability in Azure Data Explorer by Microsoft
CVE-2026-21524

7.4HIGH

Key Information:

Vendor

Microsoft
Status
Azure Data Explorer
Vendor
CVE Published:
22 January 2026

What is CVE-2026-21524?

An information disclosure vulnerability in Microsoft Azure Data Explorer permits unauthorized actors to access and disclose sensitive information over a network. This flaw could empower attackers to leak confidential data, potentially leading to severe security implications for affected organizations. It is crucial for users and administrators of Azure Data Explorer to understand the risks and implement appropriate measures to mitigate any potential exposure.

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Deploy the Patch

Affected Version(s)

Azure Data Explorer -

References

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

CVSS V3.1

Score:
7.4
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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