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TI-2018-06195 Aliases CVE-2018-8531GHSA-x6h5-845f-rv5f

Out-of-bounds write in Microsoft Hub Device Client SDK

Priority MEDIUM 54CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

A remote code execution vulnerability exists in the way that Azure IoT Hub Device Client SDK using MQTT protocol accesses objects in memory, aka "Azure IoT Device Client SDK Memory Corruption Vulnerability." This affects Hub Device Client SDK, Azure IoT Edge.

Why it matters now

EPSS 0.15126 96th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftHub Device Client SDKAzure IoT—No fix listedCNA
MicrosoftAzure IoT EdgeAzure IoT Edge—No fix listedCNA
  • Hub Device Client SDK VendorMicrosoft Affected Azure IoT Fixed in — No fix listed CNA
  • Azure IoT Edge VendorMicrosoft Affected Azure IoT Edge Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:azure_internet_of_things_edge:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
cpe:2.3:a:microsoft:csharp_software_development_kit:*:*:*:*:*:azure_internet_of_things:*:*all versionsVulnerableMicrosoft
  • cpe:2.3:a:microsoft:azure_internet_of_things_edge:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:csharp_software_development_kit:*:*:*:*:*:azure_internet_of_things:*:* Versions all versions Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-8531
  2. 2026-10-03 Alias added: GHSA-x6h5-845f-rv5f

References

Patch 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences