Microsoft Defender for IoT Remote Code Execution Vulnerability
Priority MEDIUM 47CWE-295Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-295.
Summary
Microsoft Defender for IoT Remote Code Execution Vulnerability
Why it matters now
EPSS 0.02578 85th percentileScored 2026-11-07
Fix Fixed Microsoft Defender for IoT (Microsoft): 10.5.3
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Microsoft Defender for IoT (Microsoft) Fixed in 10.5.3
Timeline
- 2026-10-02 Threatist record created from CVE-2021-43882
- 2026-10-03 Alias added: GHSA-vf2w-cq9r-cwvw
References
More Microsoft Defender For Iot vulnerabilities
- TI-2024-19234 Microsoft Defender for IoT Remote Code Execution Vulnerability CVSS 3.1HIGH 8.8
- TI-2021-18746 Microsoft Defender for IoT Remote Code Execution Vulnerability CVSS 3.1CRITICAL 10.0
- TI-2021-18744 Microsoft Defender for IoT Remote Code Execution Vulnerability CVSS 3.1CRITICAL 10.0
- TI-2024-14083 Microsoft Defender for IoT Remote Code Execution Vulnerability CVSS 3.1HIGH 8.8
- TI-2021-18743 Microsoft Defender for IoT Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
- TI-2024-25378 Microsoft Defender for IoT Elevation of Privilege Vulnerability CVSS 3.1CRITICAL 9.9
Sources
- CVE-2021-43882 · CVE Program
- CVE-2021-43882 · NVD
- FIRST EPSS
- GHSA-vf2w-cq9r-cwvw · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences