Unrated severityNVD Advisory· Published Feb 10, 2026· Updated Apr 10, 2026

Azure HDInsight Spoofing Vulnerability

CVE-2026-21529

Description

Improper neutralization of input during web page generation ('cross-site scripting') in Azure HDInsights allows an authorized attacker to perform spoofing over a network.

Affected products

Microsoft/Azure HDInsightsllm-create
Microsoft/Azure HDInsightv5
Range: 1.0

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21529mitrevendor-advisorypatch

News mentions

No linked articles in our index yet.

cvss	0.000
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000