{"id":"CVE-2026-20477","aliases":["A-518606098","ASB-A-518606098","EUVD-2026-52066","GHSA-9jxv-qr96-p4v6","M-ALPS11009963"],"status":"published","title":"In display, there is a possible out of bounds write due to a missing bounds check. This could...","description":"In display, 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: ALPS11009963; Issue ID: MSV-7658.","severity":{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00166,"percentile":0.05883,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-787"],"published":"2026-08-03T02:05:32Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":":unknown:","fixed_in":["SoCVersion:2026-09-05"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":":unknown:","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"SoCVersion:0"},{"fixed":"SoCVersion:2026-09-05"}]}],"versions":["SoCVersion"]}],"products":[{"vendor":"mediatek","product":"mt6991_firmware"},{"vendor":"mediatek","product":"mt6993_firmware"},{"vendor":"mediatek","product":"mt8188_firmware"},{"vendor":"mediatek","product":"mt8189_firmware"},{"vendor":"mediatek","product":"mt8668_firmware"},{"vendor":"mediatek","product":"mt8676_firmware"},{"vendor":"mediatek","product":"mt8678_firmware"},{"vendor":"mediatek","product":"mt8781_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/August-2026","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20477"},{"url":"https://github.com/advisories/GHSA-9jxv-qr96-p4v6"},{"url":"https://source.android.com/security/bulletin/2026-09-01","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-20477","description":"In display, 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: ALPS11009963; Issue ID: MSV-7658.","status":"published","published":"2026-08-03T02:05:32.767Z","modified":"2026-08-05T03:56:48.796Z","cvss":[{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T13:35:44.571002Z"}],"euvd":[{"id":"EUVD-2026-52066","description":"In display, 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: ALPS11009963; Issue ID: MSV-7658.","status":"published","published":"2026-08-03T02:05:32Z","modified":"2026-08-05T03:56:48Z","cvss":[{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T18:02:22.516769Z"}],"ghsa":[{"id":"GHSA-9jxv-qr96-p4v6","title":"In display, there is a possible out of bounds write due to a missing bounds check. This could...","description":"In display, 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: ALPS11009963; Issue ID: MSV-7658.","status":"published","published":"2026-08-03T03:31:57Z","modified":"2026-08-03T21:31:33Z","cvss":[{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","level":"medium"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:10:02.88062Z"}],"nvd":[{"id":"CVE-2026-20477","description":"In display, 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: ALPS11009963; Issue ID: MSV-7658.","status":"published","published":"2026-08-03T03:16:42.75Z","modified":"2026-10-23T22:10:00.16Z","cvss":[{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:12:34.290716Z"}],"osv":[{"id":"ASB-A-518606098","status":"published","published":"2026-09-01T00:00:00Z","modified":"2026-11-10T17:02:23.040266809Z","updated_at":"2026-11-09T17:05:18.698671Z"}]}}