Auth bypass in Op-tee Optee_os

CVE-2026-44362

OP-TEE is a Trusted Execution Environment (TEE) designed as companion to a non-secure Linux kernel running on Arm; Cortex-A cores using the TrustZone technology. Starting in version 3.20.0 and prior to version 4.11.0, a vulnerability in OP…

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-44362?
CVE-2026-44362 is a medium-severity vulnerability in Op-tee Optee_os, classified under Improper Authorization. CVSS score: 5.5/10. Published 2026-07-06.
How severe is CVE-2026-44362?
Medium severity. CVSS v3 base score is 5.5 out of 10.