{"id":"CVE-2026-20511","title":"In SurfaceFlinger, there is a possible memory corruption due to use after free","summary":"In SurfaceFlinger, there is a possible memory corruption due to use after free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitat…","severity":"medium","cvss":6.7,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-416"],"vendor":"MediaTek, Inc.","product":"MediaTek chipset","affected":["mediatek_chipset MT6858","mediatek_chipset MT6881","mediatek_chipset MT6993","mediatek_chipset MT8668"],"published":"2026-09-07","updated":"2026-09-08","sourceUpdated":"2026-09-08T18:38:19.590","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-20511","references":[{"url":"https://www.mediatek.com/product-security-bulletin/September-2026","label":"security@mediatek.com"}],"tags":["nvd","cve.org"],"epss":0.00114,"epssPercentile":0.01355,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-07T00:00:00+00:00"},"ingestedAt":"2026-09-07T12:10:16.159Z","slug":"CVE-2026-20511","body":"## Overview\n\nIn SurfaceFlinger, there is a possible memory corruption due to use after free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11123860; Issue ID: MSV-8890.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":37,"depthScoreParts":{"impact":36.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}