{"id":"CVE-2026-23789","title":"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","summary":"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 en…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","cwe":["CWE-415"],"vendor":"Samsung","product":"Exynos 850 firmware","affected":["exynos_850_firmware <= 2025-12-23"],"published":"2026-09-14","updated":"2026-09-16","sourceUpdated":"2026-09-16T15:17:33.747","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-23789","references":[{"url":"https://semiconductor.samsung.com/support/quality-support/product-security-updates/","label":"cve@mitre.org"},{"url":"https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2026-23789/","label":"cve@mitre.org"}],"tags":["nvd","cve.org"],"epss":0.00109,"epssPercentile":0.01382,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-16T14:24:11.782528Z"},"ingestedAt":"2026-09-14T15:23:07.467Z","slug":"CVE-2026-23789","body":"## Overview\n\nAn 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}