What’s Vulnerable › Vulnerabilities

CVE-2021-27074: Azure Sphere Unsigned Code Execution Vulnerability

• Severity: medium (CVSS 4.9 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-03-11 · updated 2026-08-19

Description

Azure Sphere Unsigned Code Execution Vulnerability

Affected products

• Microsoft Azure Sphere: all versions
• Microsoft Azure Sphere: all versions

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-27074
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27074
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1247
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1249

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