What is CVE-2023-23379?

CVE-2023-23379 is a high-severity vulnerability in Microsoft Defender For Iot, classified under Relative Path Traversal. CVSS score: 7.8/10. Published 2023-02-14.

How severe is CVE-2023-23379?

High severity. CVSS v3 base score is 7.8 out of 10.

Path Traversal in Microsoft Defender For Iot

CVE-2023-23379

Microsoft Defender for IoT Elevation of Privilege Vulnerability

Published 2023-02-14 · last modified 2026-08-19.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (36.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.2% 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 Defender For Iot
Microsoft Defender For Iot — versions 22.0.0

Weakness classification (CWE)

CWE-23 — Relative Path Traversal

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2023-23379 (vendor-advisory, Patch, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-23379?: CVE-2023-23379 is a high-severity vulnerability in Microsoft Defender For Iot, classified under Relative Path Traversal. CVSS score: 7.8/10. Published 2023-02-14.
How severe is CVE-2023-23379?: High severity. CVSS v3 base score is 7.8 out of 10.