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Vulnerability record · CVE-2018-8479 · published 13 September 2018

CVE-2018-8479: Microsoft c software development kit improper certificate validation vulnerability

Microsoft · C Software Development Kit

A spoofing vulnerability exists for the Azure IoT Device Provisioning for the C SDK library using the HTTP protocol on Windows platform, aka "Azure IoT SDK Spoofing Vulnerability." This affects C SDK.

5.6 CVSS 3.0 Medium EPSS 2.1% · top 18.8% CWE-295 · Improper certificate validation
5.6CVSS 3.0 base score, v2 6.8
2.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

A spoofing vulnerability exists for the Azure IoT Device Provisioning for the C SDK library using the HTTP protocol on Windows platform, aka "Azure IoT SDK Spoofing Vulnerability." This affects C SDK.

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/105323 Third Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8479 PatchVendor Advisory
http://www.securityfocus.com/bid/105323 Third Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8479 PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-8479), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.