CVE-2026-33957

4.2 mediumEPSS 0.1%

Medium (4.2). EPSS 0.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

4.2 medium

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:L

EPSS: 0.1% chance of exploitation in the next 30 days; higher than 2% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2026-09-14
Modified: 2026-09-22
Record from: the NVD, synced 2026-10-19

References

https://semiconductor.samsung.com/support/quality-support/product-security-updates/
https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2026-33957/

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