CVE-2021-41365

Name: CVE-2021-41365
Creator: NVD / NIST
Published: 2021-12-15T15:15:08.797+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 2.71%

Last modified Jun 17, 2026

CVE-2021-41365 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Microsoft Defender for IoT Remote Code Execution Vulnerability. EPSS estimates a 2.71% chance of exploitation in the next 30 days.

Description

Microsoft Defender for IoT Remote Code Execution Vulnerability

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.71%

84.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Microsoft	Defender For Iot	< 10.5.2

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41365Patch, Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-1595/Third Party Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41365Patch, Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-1595/Third Party Advisory

Timeline

Published: Dec 15, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-41365?

Microsoft Defender for IoT Remote Code Execution Vulnerability

How severe is CVE-2021-41365?

CVE-2021-41365 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.71% probability of exploitation in the next 30 days.

How do I fix CVE-2021-41365?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-41365?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST