CVE-2021-27074
Low
No strong exploitation signal.
CVSS base
6.2
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS — probability of exploitation (30 days)
1.2%
66.3th percentile
CISA KEV
Not listed
Weakness / dates
—
Published 2021-03-11 · modified 2026-08-19
CVSS breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
| Attack Vector | L | Local |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | N | None |
| Integrity | H | High |
| Availability | N | None |
Timeline
- 2021-03-11 — Published (NVD)
- 2026-08-19 — Last modified (NVD)
Description
Azure Sphere Unsigned Code Execution Vulnerability
Affected
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-27074
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27074
- exploit https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1247
- exploit https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1249