{"id":"CVE-2026-20558","title":"In GPU pdma, there is a possible escalation of privilege due to use after free","summary":"In GPU pdma, there is a possible escalation of privilege due to use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: A…","severity":"high","cvss":8.4,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvssSource":"adp","cwe":["CWE-416"],"vendor":"MediaTek, Inc.","product":"MediaTek chipset","affected":["mediatek_chipset MT6993","mediatek_chipset MT8910"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-11-02T00:00:00+00:00"},"published":"2026-11-02","updated":"2026-11-03","sourceUpdated":"2026-11-03T04:55:32.919Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-20558","references":[{"url":"https://www.mediatek.com/product-security-bulletin/November-2026"}],"tags":["cve.org"],"epss":0.00146,"epssPercentile":0.03899,"ingestedAt":"2026-11-05T19:30:42.895Z","slug":"CVE-2026-20558","body":"## Overview\n\nIn GPU pdma, there is a possible escalation of privilege due to use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11365070; Issue ID: MSV-9547.\n\n## Affected\n\n- `mediatek_chipset MT6993`\n- `mediatek_chipset MT8910`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":46,"depthScoreParts":{"impact":46.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}