CVE Watch22 jul 2026

CVE-2026-45702

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

CVSS

4.4

Medio

EPSS

0.2%

KEV

—

Exploit Today

0-100

Publicado: 3 jun 2026 · Última mod.: 22 jul 2026 · CWE-843

EPSS · 30d

0.2%EPSS · 30 días0.2%

2026-07-032026-07-30

Descripción técnica

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 4.3.0 and prior to version 4.11.0, a type confusion vulnerability exists in OP-TEE OS when processing an FFA_MEM_SHARE request from the normal world. This only applies when OP-TEE is configured as an SPMC for S-EL0 SPs, that is, with `CFG_CORE_SEL1_SPMC=y` and `CFG_SECURE_PARTITION=y`. Version 4.11.0 fixes the issue.

Referencias oficiales

github.comhttps://github.com/OP-TEE/optee_os/security/advisories/GHSA-86pj-8xgw-66p5

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