Is CVE-2026-41434 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-41434?

CVE-2026-41434 has a CVSS v3 severity of LOW (3.3).

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CVE-2026-41434

Description

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 3.10.0 and prior to version 4.11.0, an unbounded recursion can crash the PKCS#11 TA. Version 4.11.0 contains a patch. No known workarounds are available.