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TI-2021-08650 Aliases CVE-2021-27080GHSA-rqr5-7m2q-c54f

Azure Sphere Unsigned Code Execution Vulnerability

Priority MEDIUM 43Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from Microsoft.

Summary

Azure Sphere Unsigned Code Execution Vulnerability

Why it matters now

EPSS 0.01278 70th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftAzure Sphere-—No fix listedCNA
  • Azure Sphere VendorMicrosoft Affected - Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:azure_sphere:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
  • cpe:2.3:a:microsoft:azure_sphere:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Remote Code Execution
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely
ProductStatusPlan or fix
1AffectedNo update listed

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-27080
  2. 2026-10-03 Alias added: GHSA-rqr5-7m2q-c54f

References

Exploit 1

Patch 2

  • TI-2020-18104 A code execution vulnerability exists in the normal world’s signed code execution… CVSS 3.1HIGH 7.8
  • TI-2020-12956 Azure Sphere Unsigned Code Execution Vulnerability CVSS 3.1HIGH 8.8
  • TI-2020-12978 Azure Sphere Elevation of Privilege Vulnerability CVSS 3.1HIGH 8.2
  • TI-2020-12980 Azure Sphere Unsigned Code Execution Vulnerability CVSS 3.1HIGH 7.3
  • TI-2020-12973 Azure Sphere Unsigned Code Execution Vulnerability CVSS 3.1HIGH 7.8
  • TI-2020-12970 Azure Sphere Unsigned Code Execution Vulnerability CVSS 3.1HIGH 7.8
See all 28 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences