Azure IOT Explorer Spoofing Vulnerability

published 2026-03-10 8 mo ago modified 2026-06-19 4 mo ago also EUVD-2026-10690

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits: 0; none known

Server-side request forgery (ssrf) in Azure IoT Explorer allows an unauthorized attacker to perform spoofing over a network.

Patch / fix

fixed in 1 links 1

Microsoft Azure IoT Explorer 0.15.14

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26121 advisory

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 7 mo ago (2026-03-11)

Exploit prediction

1.18% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	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
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

Microsoft Azure IoT Explorer

Classification

Weakness

CWE-918 Server-Side Request Forgery
CWE-20 Improper Input Validation

References

msrc.microsoft.com /update-guide/vulnerability/CVE-2026-26121
vendor-advisory, patch

Sources

CVE List CVE-2026-26121
NVD CVE-2026-26121

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary