{"id":"CVE-2026-20508","title":"In Power HAL, there is a possible escalation of privilege due to type confusion","summary":"In Power HAL, there is a possible escalation of privilege due to type confusion. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploita…","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-843"],"vendor":"MediaTek, Inc.","product":"MediaTek chipset","affected":["mediatek_chipset MT2718","mediatek_chipset MT6739","mediatek_chipset MT6761","mediatek_chipset MT6765","mediatek_chipset MT6768","mediatek_chipset MT6769","mediatek_chipset MT6781","mediatek_chipset MT6789","mediatek_chipset MT6833","mediatek_chipset MT6835","mediatek_chipset MT6853","mediatek_chipset MT6855","mediatek_chipset MT6858","mediatek_chipset MT6877","mediatek_chipset MT6878","mediatek_chipset MT6879","mediatek_chipset MT6881","mediatek_chipset MT6883","mediatek_chipset MT6885","mediatek_chipset MT6886","mediatek_chipset MT6889","mediatek_chipset MT6893","mediatek_chipset MT6895","mediatek_chipset MT6897","mediatek_chipset MT6899","mediatek_chipset MT6983","mediatek_chipset MT6985","mediatek_chipset MT6989","mediatek_chipset MT6991","mediatek_chipset MT6993","mediatek_chipset MT8171","mediatek_chipset MT8186","mediatek_chipset MT8188","mediatek_chipset MT8189","mediatek_chipset MT8196","mediatek_chipset MT8668","mediatek_chipset MT8676","mediatek_chipset MT8678","mediatek_chipset MT8696","mediatek_chipset MT8793"],"published":"2026-09-07","updated":"2026-09-08","sourceUpdated":"2026-09-08T18:37:41.047","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-20508","references":[{"url":"https://www.mediatek.com/product-security-bulletin/September-2026","label":"security@mediatek.com"}],"tags":["nvd","cve.org"],"epss":0.00114,"epssPercentile":0.0168,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-07T00:00:00+00:00"},"ingestedAt":"2026-09-07T12:10:16.026Z","slug":"CVE-2026-20508","body":"## Overview\n\nIn Power HAL, there is a possible escalation of privilege due to type confusion. 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: ALPS11165543; Issue ID: MSV-9012.\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":[]}