{"id":"CVE-2025-20764","aliases":["EUVD-2025-200161","GHSA-78wc-wcvq-m8h7"],"status":"published","title":"In smi, there is a possible out of bounds write due to a missing bounds check. This could lead to...","description":"In smi, there is a possible out of bounds write due to a missing bounds check. 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: ALPS10259774; Issue ID: MSV-5029.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00083,"percentile":0.00224,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2025-12-02T02:34:26Z","modified":"2026-06-17T08:42:01Z","products":[{"vendor":"google","product":"android"},{"vendor":"mediatek, inc.","product":"mt6739, mt6761, mt6765, mt6768, mt6781, mt6789, mt6833, mt6835, mt6853, mt6855, mt6877, mt6878, mt6879, mt6883, mt6885, mt6886, mt6889, mt6893, mt6895, mt6897, mt6899, mt6983, mt6985, mt6989, mt6991, mt8196, mt8676, mt8678, mt8792, mt8793, mt8796, mt8873, mt8893"}],"references":[{"url":"https://corp.mediatek.com/product-security-bulletin/December-2025","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-20764"},{"url":"https://github.com/advisories/GHSA-78wc-wcvq-m8h7"}],"sources":{"cve":[{"id":"CVE-2025-20764","description":"In smi, there is a possible out of bounds write due to a missing bounds check. 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: ALPS10259774; Issue ID: MSV-5029.","status":"published","published":"2025-12-02T02:34:26.791Z","modified":"2026-02-26T16:57:47.141Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:32:25.5658Z"}],"euvd":[{"id":"EUVD-2025-200161","description":"In smi, there is a possible out of bounds write due to a missing bounds check. 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: ALPS10259774; Issue ID: MSV-5029.","status":"published","published":"2025-12-02T02:34:26Z","modified":"2026-02-26T16:57:47Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:48:24.208942Z"}],"ghsa":[{"id":"GHSA-78wc-wcvq-m8h7","title":"In smi, there is a possible out of bounds write due to a missing bounds check. This could lead to...","description":"In smi, there is a possible out of bounds write due to a missing bounds check. 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: ALPS10259774; Issue ID: MSV-5029.","status":"published","published":"2025-12-02T03:31:45Z","modified":"2025-12-02T15:31:39Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:05:00.770101Z"}],"nvd":[{"id":"CVE-2025-20764","description":"In smi, there is a possible out of bounds write due to a missing bounds check. 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: ALPS10259774; Issue ID: MSV-5029.","status":"published","published":"2025-12-02T03:16:17.62Z","modified":"2026-06-17T08:42:01.407Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:11:47.746175Z"}]}}