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High 7.4Published Jan 22, 2026

CVE-2026-21524Azure Data Explorer Information Disclosure Vulnerability

Updated under an hour ago ()

Does this affect you?

It affects Microsoft Azure Data Explorer. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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

CVSS
7.4 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N/E:P/RL:O/RC:C
Weakness (CWE)
CWE-200
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
microsoft
NVD analysis
Analyzed
Record last updated
Jul 30, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Microsoft Azure Data Explorer
microsoft:azure_data_explorer (from the name)
-
CNA record
microsoft azure_data_explorer
microsoft:azure_data_explorer
all versions
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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