CVE-2026-23789

{"id": "CVE-2026-23789", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 1.1}]}, "affected": [{"source": "cve@mitre.org", "affectedData": [{"vendor": "Samsung", "product": "Exynos 850 firmware", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "2025-12-23"}], "defaultStatus": "unknown"}]}], "published": "2026-09-14T02:17:13.397", "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-2026-23789/", "source": "cve@mitre.org"}], "vulnStatus": "Received", "weaknesses": [{"type": "Primary", "source": "cve@mitre.org", "description": [{"lang": "en", "value": "CWE-415"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in MFC in Samsung Mobile Processor and Wearable Processor Exynos 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, 2600, 1680, W920, W930, and W1000. A double-free vulnerability in the Exynos MFC encoder driver (due to improper cleanup of dma_buf references during error handling) leads to kernel memory corruption and potential arbitrary code execution."}], "lastModified": "2026-09-14T02:17:13.397", "sourceIdentifier": "cve@mitre.org"}