Vulnerability · Published Jan 22, 2026 · Assigned by microsoft
CVE-2026-21524Azure Data Explorer Information Disclosure Vulnerability
High 7.4
In plain English
A high-severity information exposure in Azure Data Explorer from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities).
Severity (CVSS 3.1)7.4High
Exploit odds (30 days)0.6%top 50.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Exposure of sensitive information to an unauthorized actor in Azure Data Explorer allows an unauthorized attacker to disclose information over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Azure Data Explorer | - |
Weakness: CWE-200 · Vector: 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
References
- Azure Data Explorer Information Disclosure Vulnerability vendor-advisory, patch