What is CVE-2024-38158?

CVE-2024-38158 is a high-severity vulnerability in Microsoft Azure Iot Hub Device Client Sdk, classified under Use After Free. CVSS score: 7.0/10. Published 2024-08-13.

How severe is CVE-2024-38158?

High severity. CVSS v3 base score is 7.0 out of 10.

Use After Free in Microsoft Azure Iot Hub Device Client Sdk

CVE-2024-38158

Azure IoT SDK Remote Code Execution Vulnerability

Vulnerability class: Use-After-Free

Published 2024-08-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (34.6th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 34.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Microsoft Azure Iot Hub Device Client Sdk
Microsoft C Sdk For Azure Iot — versions 0

Weakness classification (CWE)

CWE-416 — Use After Free

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38158 (vendor-advisory, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2024-38158?: CVE-2024-38158 is a high-severity vulnerability in Microsoft Azure Iot Hub Device Client Sdk, classified under Use After Free. CVSS score: 7.0/10. Published 2024-08-13.
How severe is CVE-2024-38158?: High severity. CVSS v3 base score is 7.0 out of 10.