CVE-2026-21515CriticalMicrosoft CVSS 9.9CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

Microsoft advisory for CVE-2026-21515 — Azure IOT Central

Published
June 2, 2026
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2026-21515 →

📋 Microsoft's advisory

EchelonGraph does not copy Microsoft's advisory page: its FAQ and remediation text are not shown here. Read the advisory on https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21515. This page also shows what EchelonGraph holds for CVE-2026-21515, with the description from its CVE record, which the CVE Numbering Authority that assigned the CVE wrote: for a CVE Microsoft assigned, often in the words of Microsoft's own advisory.

🎯 Affected products1

  • Azure IOT Central

🧭 EchelonGraph on CVE-2026-21515

EchelonGraph score
9.9 CRITICAL
CISA KEV
Not listed
Fix status
A fix is referenced (a reference tagged "Patch", often a source commit), but no release containing it is confirmed — find the release that contains it; until it is applied, mitigate (WAF / firewall / segmentation).

Description from the CVE record (CVE.org), as published by its numbering authority

Exposure of sensitive information to an unauthorized actor in Azure IOT Central allows an authorized attacker to elevate privileges over a network.

Published by Microsoft Corporation, the CVE Numbering Authority that assigned CVE-2026-21515, in its CVE record at CVE.org; reused under the CVE Program's Terms of Use (its licence and MITRE's copyright notice are in our Terms of Service).

🔗 References (1)