Is CVE-2026-33957 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-33957?

CVE-2026-33957 has a CVSS v3 severity of MEDIUM (4.2).

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CVE-2026-33957

Description

An issue was discovered in CustOS Driver in Samsung Mobile Processor Exynos 1580. Requesting oversized shared memory from the custos_iwc device enables out-of-bounds read and write, potentially leading to memory corruption or information leakage.