{"id":"CVE-2026-33957","title":"An issue was discovered in CustOS Driver in Samsung Mobile Processor Exynos 1580","summary":"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…","severity":"medium","cvss":4.2,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:L","cwe":["CWE-787"],"vendor":"Samsung","product":"Exynos 1580 firmware","affected":["exynos_1580_firmware <= 2026-01-07"],"published":"2026-09-14","updated":"2026-09-14","sourceUpdated":"2026-09-14T19:17:18.797","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-33957","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-2026-33957/","label":"cve@mitre.org"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-14T14:56:41.510638Z"},"ingestedAt":"2026-09-14T15:23:07.467Z","epss":0.00094,"epssPercentile":0.00673,"slug":"CVE-2026-33957","body":"## Overview\n\nAn 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":23,"depthScoreParts":{"impact":23.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}