CVE-2026-21529
Analyzed
Analyzed - Analysis Complete
Cross-Site Scripting in Azure HDInsights Enables Network Spoofing
Publication date: 2026-02-10
Last updated on: 2026-02-11
Assigner: Microsoft Corporation
Description
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.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| microsoft | azure_hdinsight | to 5.1 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a cross-site scripting (XSS) issue in Azure HDInsights caused by improper neutralization of input during web page generation. It allows an authorized attacker to perform spoofing over a network.
How can this vulnerability impact me? :
The vulnerability can allow an authorized attacker to perform spoofing attacks over a network, potentially misleading users or systems by impersonating legitimate entities. Although it does not impact confidentiality or integrity, it can cause availability issues.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
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