CVE-2026-21524

HIGH

Azure Data Explorer - Exposure of Sensitive Information to an Unauthorized Actor

Title source: llm

Description

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

References (1)

Core 1

Core References

Vendor Advisory vendor-advisory patch

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21524

Scores

CVSS v3 7.4

EPSS 0.0016

EPSS Percentile 36.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-200

Status published

Products (2)

Microsoft/Azure Data Explorer -

microsoft/azure_data_explorer

Published Jan 22, 2026

Tracked Since Feb 18, 2026