CVE-2026-85891

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Exposure of Sensitive Information in Azure HDInsight

Publication date: 2026-10-13

Last updated on: 2026-10-13

Assigner: Microsoft Corporation

Description

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

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-10-13

Last Modified

2026-10-13

Generated

2026-10-14

AI Q&A

2026-10-14

EPSS Evaluated

N/A

NVD

CVE-2026-85891

EUVD

EUVD-2026-99575

Affected Vendors & Products

Vendor	Product	Version / Range
Microsoft	Azure	HDInsight 1.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-200	The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Attack-Flow Graph

Executive Summary

This vulnerability involves an exposure of sensitive information to an unauthorized actor in Azure HDInsight. An attacker can disclose information over a network without proper authorization.

Impact Analysis

An unauthorized attacker could access sensitive data, leading to potential data breaches, loss of confidential information, or privacy violations. The impact depends on the sensitivity of the exposed data.

Compliance Impact

This vulnerability could lead to non-compliance with regulations like GDPR or HIPAA, which require protection of personal and health data. Unauthorized exposure may result in legal penalties, fines, or reputational damage.

Mitigation Strategies

Apply the latest security updates from Microsoft for Azure HDInsight. Review network access controls to restrict unauthorized access. Monitor logs for suspicious activity related to information disclosure.

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