{"id":"CVE-2026-20418","aliases":["EUVD-2026-5134","GHSA-6chv-75w7-xwj6"],"status":"published","title":"In Thread, there is a possible out of bounds write due to a missing bounds check. This could lead...","description":"In Thread, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00465153; Issue ID: MSV-4927.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00355,"percentile":0.29649,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2026-02-02T08:15:15Z","modified":"2026-06-17T10:17:23Z","products":[{"vendor":"google","product":"matter"},{"vendor":"mediatek, inc.","product":"mediatek chipset"}],"references":[{"url":"https://corp.mediatek.com/product-security-bulletin/February-2026","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20418"},{"url":"https://github.com/advisories/GHSA-6chv-75w7-xwj6"}],"sources":{"cve":[{"id":"CVE-2026-20418","description":"In Thread, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00465153; Issue ID: MSV-4927.","status":"published","published":"2026-02-02T08:15:15.67Z","modified":"2026-03-30T13:03:22.186Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T13:35:44.571002Z"}],"euvd":[{"id":"EUVD-2026-5134","description":"In Thread, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00465153; Issue ID: MSV-4927.","status":"published","published":"2026-02-02T08:15:15Z","modified":"2026-03-30T13:03:22Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T19:25:26.376466Z"}],"ghsa":[{"id":"GHSA-6chv-75w7-xwj6","title":"In Thread, there is a possible out of bounds write due to a missing bounds check. This could lead...","description":"In Thread, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00465153; Issue ID: MSV-4927.","status":"published","published":"2026-02-02T09:30:31Z","modified":"2026-02-02T15:30:34Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:06:00.246323Z"}],"nvd":[{"id":"CVE-2026-20418","description":"In Thread, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00465153; Issue ID: MSV-4927.","status":"published","published":"2026-02-02T09:15:56.853Z","modified":"2026-06-17T10:17:23.89Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:12:05.149641Z"}]}}