CVE-2026-85891
Azure HDInsight Information Disclosure Vulnerability
Microsoft Azure HDInsightContainers & cloud
CVSS
7.5HighExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.92%Chance of exploitation activity in the next 30 days, higher than 60% of CVEs. Scored 23 Oct 2026FIRST EPSS
What fixes it
- 2606012120Azure HDInsightCVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Vendor and government advisories 1
Vendors that say their products are affected, and agencies that issued alerts. Check each for the fixed release of the product you run.
Reports 1
1 outlet mention it. Reports are not confirmation; each links to its source.
Description
Exposure of sensitive information to an unauthorized actor in Azure HDInsight allows an unauthorized attacker to disclose information over a network.
Text from CVE List
Affected versions 1
- Azure HDInsightaffected: 1.0 before 2606012120CVE List