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Microsoft Security Response CenterCVE-2026-85891

Azure HDInsight Information Disclosure Vulnerability

HighVendor CVSS 7.5 / 10 1 CVE Published Oct 13, 2026 at 7:00 AM UTC

Summary

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

Products covered

  • Azure HDInsight

Remediation

Release Notes

Vendor-listed fixes

  • 2606012120

CVEs in this advisory 1

Updates

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.