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CVE-2026-21529
Published: Feb 10, 2026
Modified: May 11, 2026
PUBLISHED
CVSS v3.1
5.7
MEDIUM
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.
| Vendor | Product | Versions |
|---|---|---|
Microsoft | Azure HDInsight | affected 1.0 - < 5.1 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
References
Azure HDInsight Spoofing Vulnerability
vendor-advisory
patch
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