{"id":"CVE-2026-20521","aliases":["A-541960865","ASB-A-541960865","EUVD-2026-92206","GHSA-qpf3-2wfg-8hrm","M-ALPS11375674"],"status":"published","title":"In Video HAL, there is a possible escalation of privilege due to a missing bounds check. This...","description":"In Video HAL, there is a possible escalation of privilege due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11375674; Issue ID: MSV-9571.","severity":{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-13","score":0.00137,"percentile":0.0318,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-121"],"published":"2026-10-05T01:39:48Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":":unknown:","fixed_in":["SoCVersion:2026-11-05"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":":unknown:","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"SoCVersion:0"},{"fixed":"SoCVersion:2026-11-05"}]}],"versions":["SoCVersion"]}],"products":[{"vendor":"mediatek","product":"mt2718_firmware"},{"vendor":"mediatek","product":"mt6768_firmware"},{"vendor":"mediatek","product":"mt6769_firmware"},{"vendor":"mediatek","product":"mt6781_firmware"},{"vendor":"mediatek","product":"mt6789_firmware"},{"vendor":"mediatek","product":"mt6833_firmware"},{"vendor":"mediatek","product":"mt6835_firmware"},{"vendor":"mediatek","product":"mt6853_firmware"},{"vendor":"mediatek","product":"mt6855_firmware"},{"vendor":"mediatek","product":"mt6858_firmware"},{"vendor":"mediatek","product":"mt6877_firmware"},{"vendor":"mediatek","product":"mt6878_firmware"},{"vendor":"mediatek","product":"mt6879_firmware"},{"vendor":"mediatek","product":"mt6881_firmware"},{"vendor":"mediatek","product":"mt6883_firmware"},{"vendor":"mediatek","product":"mt6885_firmware"},{"vendor":"mediatek","product":"mt6886_firmware"},{"vendor":"mediatek","product":"mt6889_firmware"},{"vendor":"mediatek","product":"mt6893_firmware"},{"vendor":"mediatek","product":"mt6895_firmware"},{"vendor":"mediatek","product":"mt6897_firmware"},{"vendor":"mediatek","product":"mt6899_firmware"},{"vendor":"mediatek","product":"mt6983_firmware"},{"vendor":"mediatek","product":"mt6985_firmware"},{"vendor":"mediatek","product":"mt6989_firmware"},{"vendor":"mediatek","product":"mt6991_firmware"},{"vendor":"mediatek","product":"mt6993_firmware"},{"vendor":"mediatek","product":"mt8126_firmware"},{"vendor":"mediatek","product":"mt8171_firmware"},{"vendor":"mediatek","product":"mt8186_firmware"},{"vendor":"mediatek","product":"mt8188_firmware"},{"vendor":"mediatek","product":"mt8189_firmware"},{"vendor":"mediatek","product":"mt8195_firmware"},{"vendor":"mediatek","product":"mt8196_firmware"},{"vendor":"mediatek","product":"mt8367_firmware"},{"vendor":"mediatek","product":"mt8391_firmware"},{"vendor":"mediatek","product":"mt8395_firmware"},{"vendor":"mediatek","product":"mt8668_firmware"},{"vendor":"mediatek","product":"mt8676_firmware"},{"vendor":"mediatek","product":"mt8678_firmware"},{"vendor":"mediatek","product":"mt8695_firmware"},{"vendor":"mediatek","product":"mt8696_firmware"},{"vendor":"mediatek","product":"mt8781_firmware"},{"vendor":"mediatek","product":"mt8788e_firmware"},{"vendor":"mediatek","product":"mt8792_firmware"},{"vendor":"mediatek","product":"mt8793_firmware"},{"vendor":"mediatek","product":"mt8799_firmware"},{"vendor":"mediatek","product":"mt8910_firmware"},{"vendor":"mediatek, inc.","product":"mediatek chipset"}],"references":[{"url":"https://www.mediatek.com/product-security-bulletin/October-2026","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20521"},{"url":"https://github.com/advisories/GHSA-qpf3-2wfg-8hrm"},{"url":"https://source.android.com/security/bulletin/2026-11-01","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-20521","description":"In Video HAL, there is a possible escalation of privilege due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11375674; Issue ID: MSV-9571.","status":"published","published":"2026-10-05T01:39:48.809Z","modified":"2026-10-06T03:55:51.635Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T13:35:33.380441Z"}],"euvd":[{"id":"EUVD-2026-92206","description":"In Video HAL, there is a possible escalation of privilege due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11375674; Issue ID: MSV-9571.","status":"published","published":"2026-10-05T01:39:48Z","modified":"2026-10-06T03:55:51Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T17:27:38.724649Z"}],"ghsa":[{"id":"GHSA-qpf3-2wfg-8hrm","title":"In Video HAL, there is a possible escalation of privilege due to a missing bounds check. This...","description":"In Video HAL, there is a possible escalation of privilege due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. 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Patch ID: ALPS11375674; Issue ID: MSV-9571.","status":"published","published":"2026-10-05T02:16:50.66Z","modified":"2026-10-08T15:46:51.303Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:12:53.75133Z"}],"osv":[{"id":"ASB-A-541960865","status":"published","published":"2026-11-01T00:00:00Z","modified":"2026-11-11T16:12:36.322289056Z","updated_at":"2026-11-10T17:35:07.907985Z"}]}}