{"id":"CVE-2026-20550","title":"In gnss, there is a possible out of bounds write due to a missing bounds check","summary":"In gnss, there is a possible out of bounds write due to a missing bounds check. This could lead to local denial of service with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS1130981…","severity":"medium","cvss":6.2,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cvssSource":"adp","cwe":["CWE-787"],"vendor":"MediaTek, Inc.","product":"MediaTek chipset","affected":["mediatek_chipset MT2735","mediatek_chipset MT2737","mediatek_chipset MT6880","mediatek_chipset MT6890","mediatek_chipset MT6980D","mediatek_chipset MT6982","mediatek_chipset MT6986","mediatek_chipset MT6988","mediatek_chipset MT6990"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-02T17:05:35.782608Z"},"published":"2026-11-02","updated":"2026-11-02","sourceUpdated":"2026-11-02T17:10:44.297Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-20550","references":[{"url":"https://www.mediatek.com/product-security-bulletin/November-2026"}],"tags":["cve.org"],"epss":0.00135,"epssPercentile":0.03015,"ingestedAt":"2026-11-05T19:30:42.721Z","slug":"CVE-2026-20550","body":"## Overview\n\nIn gnss, there is a possible out of bounds write due to a missing bounds check. This could lead to local denial of service with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS11309816; Issue ID: MSV-10731.\n\n## Affected\n\n- `mediatek_chipset MT2735`\n- `mediatek_chipset MT2737`\n- `mediatek_chipset MT6880`\n- `mediatek_chipset MT6890`\n- `mediatek_chipset MT6980D`\n- `mediatek_chipset MT6982`\n- `mediatek_chipset MT6986`\n- `mediatek_chipset MT6988`\n- `mediatek_chipset MT6990`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":34,"depthScoreParts":{"impact":34.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}