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As of 10/23/2026, optee_os recorded 3 security vulnerabilities in the last 90 days, of which 2 are rated High or Critical. None of these vulnerabilities is actively exploited (KEV) according to CISA's catalog. CyStack recommends that organizations and individual users apply patches as soon as possible.
CyStack does not yet have sufficient official-source data to identify the latest version of optee_os and determine which vulnerabilities affect that version.
CyStack VulnScan continuously discovers assets, validates vulnerabilities, and helps security teams prioritize remediation across the organization.
CVE-2026-71969OP-TEE OS 4.10.0 Buffer Underwrite via RSA NOPAD Encrypt/Decrypt OperationsCVE-2026-71968OP-TEE OS 4.10.0 Use-After-Free via Trusted Application Loader TA_FLAG_CONCURRENTCVE-2026-71967OP-TEE OS 4.10.0 NULL Pointer Dereference DoS via Widevine PTA open_sessionCVE-2026-53763OP-TEE has AES-GCM 32-bit integer overflow in length counters that breaks authentication guaranteeCVE-2026-44362OP-TEE's subkey rollback protection can be bypassed with older subkey versions19 Results | Page 1 of 2