How severe is CVE-2023-23379?

CVE-2023-23379 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-23379 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-23379?

CVE-2023-23379 affects Microsoft Defender For Iot. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-23379?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-23379 published?

CVE-2023-23379 was published on 2023-02-14 and last updated on 2026-06-17.

CVE-2023-23379

CVE-2023-23379 is a high-severity vulnerability in Microsoft Defender For Iot with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-23.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-23
Affected product: Microsoft Defender For Iot
Published: 2023-02-14
Last modified: 2026-06-17

Description

Microsoft Defender for IoT Elevation of Privilege Vulnerability

Frequently asked questions

What is CVE-2023-23379?: Microsoft Defender for IoT Elevation of Privilege Vulnerability
How severe is CVE-2023-23379?: CVE-2023-23379 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-23379 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-23379?: CVE-2023-23379 affects Microsoft Defender For Iot. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-23379?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-23379 published?: CVE-2023-23379 was published on 2023-02-14 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-23379

Affected products (1)

cpe:2.3:a:microsoft:defender_for_iot:*:*:*:*:*:*:*:*

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