CVE-2026-33957

{"id": "CVE-2026-33957", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-33957", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-14T14:56:41.510638Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 4.2, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 1.1}]}, "affected": [{"source": "cve@mitre.org", "affectedData": [{"vendor": "Samsung", "product": "Exynos 1580 firmware", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "2026-01-07"}], "defaultStatus": "unknown"}]}], "published": "2026-09-14T02:17:14.390", "references": [{"url": "https://semiconductor.samsung.com/support/quality-support/product-security-updates/", "source": "cve@mitre.org"}, {"url": "https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2026-33957/", "source": "cve@mitre.org"}], "vulnStatus": "Received", "weaknesses": [{"type": "Secondary", "source": "cve@mitre.org", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-09-14T19:17:18.797", "sourceIdentifier": "cve@mitre.org"}