VulnerabilityModified

CVE-2021-26429

Azure Sphere Elevation of Privilege Vulnerability

HIGH 7.7EPSS 0.60%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.60%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Azure Sphere Elevation of Privilege Vulnerability

CVSS 3.1: 7.7 HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L
EPSS: 0.60% probability · 48th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Affected: microsoft/azure sphere
Source: secure@microsoft.com

EPSS trend

EPSS 0.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26429
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26429Patch, Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.