Azure IoT Explorer Information Disclosure Vulnerability (Microsoft Azure IoT Explorer)

CVE-2026-23662

HIGH 7.5

At a glance

Source: NVD
EPSS: EPSS 0.77 % · percentile 56 (2026-10-31)
State: PUBLISHED
Published: 2026-03-10 17:05 UTC
Updated: 2026-06-19 18:18 UTC
Assigner: microsoft
NVD status: Analyzed

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Description

Missing authentication for critical function in Azure IoT Explorer allows an unauthorized attacker to disclose information over a network.

Weaknesses (CWE)

CWE-306 — Missing Authentication for Critical Functionality
CWE-319 — Cleartext Transmission of Sensitive Information

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23662

Scores

Version	Score	Vector	Scored by
CVSS 3.1	HIGH 7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C	microsoft
CVSS 3.1	HIGH 7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	NVD · secure@microsoft.com (Secondary)

European references

ENISA EUVD · EUVD-2026-10584
GCVE · GCVE-0-2026-23662

CERT-FR advisories

CERTFR-2026-AVI-0273 — Multiples vulnérabilités dans Microsoft Azure · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:a:microsoft:azure_iot_explorer:*:*:*:*:*:*:*:* < 0.15.13

Affected products

Product	Versions
Microsoft · Azure IoT Explorer	affected 1.0.0 < 0.15.13

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD