{"id":"CVE-2026-20509","aliases":["EUVD-2026-72202","GHSA-h5pf-f7wr-7vj7"],"status":"published","title":"In Power HAL, there is a possible out of bounds write due to a missing bounds check. This could...","description":"In Power HAL, 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: ALPS11165543; Issue ID: MSV-9011.","severity":{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00168,"percentile":0.06133,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121"],"published":"2026-09-07T01:57:25Z","modified":"2026-09-08T18:37:41Z","products":[{"vendor":"mediatek, inc.","product":"mediatek chipset"}],"references":[{"url":"https://www.mediatek.com/product-security-bulletin/September-2026"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20509"},{"url":"https://github.com/advisories/GHSA-h5pf-f7wr-7vj7"}],"sources":{"cve":[{"id":"CVE-2026-20509","description":"In Power HAL, 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: ALPS11165543; Issue ID: MSV-9011.","status":"published","published":"2026-09-07T01:57:25.544Z","modified":"2026-09-08T03:55:23.217Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T13:35:44.571002Z"}],"euvd":[{"id":"EUVD-2026-72202","description":"In Power HAL, 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: ALPS11165543; Issue ID: MSV-9011.","status":"published","published":"2026-09-07T01:57:25Z","modified":"2026-09-08T03:55:23Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T17:28:30.317832Z"}],"ghsa":[{"id":"GHSA-h5pf-f7wr-7vj7","title":"In Power HAL, there is a possible out of bounds write due to a missing bounds check. This could...","description":"In Power HAL, 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: ALPS11165543; Issue ID: MSV-9011.","status":"published","published":"2026-09-07T03:30:22Z","modified":"2026-09-07T12:30:28Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T15:11:26.557204Z"}],"nvd":[{"id":"CVE-2026-20509","description":"In Power HAL, 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: ALPS11165543; Issue ID: MSV-9011.","status":"published","published":"2026-09-07T02:17:19.587Z","modified":"2026-09-08T18:37:41.047Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:12:44.082631Z"}]}}