{"id":"CVE-2026-20579","aliases":["EUVD-2026-92199","GHSA-rrxq-gh8f-hf49"],"status":"published","title":"In vdec, there is a possible out of bounds write due to type confusion. This could lead to local...","description":"In vdec, there is a possible out of bounds write due to type confusion. 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: ALPS11383899; Issue ID: MSV-9800.","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":"2026-11-12","score":0.00109,"percentile":0.01246,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2026-10-05T01:39:58Z","modified":"2026-10-30T03:16:40Z","products":[{"vendor":"mediatek","product":"mt2718_firmware"},{"vendor":"mediatek","product":"mt6768_firmware"},{"vendor":"mediatek","product":"mt6769_firmware"},{"vendor":"mediatek","product":"mt6789_firmware"},{"vendor":"mediatek","product":"mt6833_firmware"},{"vendor":"mediatek","product":"mt6855_firmware"},{"vendor":"mediatek","product":"mt6877_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":"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-2026-20579"},{"url":"https://github.com/advisories/GHSA-rrxq-gh8f-hf49"}],"sources":{"cve":[{"id":"CVE-2026-20579","description":"In vdec, there is a possible out of bounds write due to type confusion. 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: ALPS11383899; Issue ID: MSV-9800.","status":"published","published":"2026-10-05T01:39:58.494Z","modified":"2026-10-30T02:46:18.243Z","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-787"],"updated_at":"2026-11-02T13:35:33.380441Z"}],"euvd":[{"id":"EUVD-2026-92199","description":"In vdec, there is a possible out of bounds write due to type confusion. 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: ALPS11383899; Issue ID: MSV-9800.","status":"published","published":"2026-10-05T01:39:58Z","modified":"2026-10-30T02:46:18Z","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":"2026-11-02T16:59:13.439869Z"}],"ghsa":[{"id":"GHSA-rrxq-gh8f-hf49","title":"In vdec, there is a possible out of bounds write due to type confusion. This could lead to local...","description":"In vdec, there is a possible out of bounds write due to type confusion. 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: ALPS11383899; Issue ID: MSV-9800.","status":"published","published":"2026-10-05T03:30:26Z","modified":"2026-10-05T12:31:24Z","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-787"],"updated_at":"2026-11-02T15:12:48.068686Z"}],"nvd":[{"id":"CVE-2026-20579","description":"In vdec, there is a possible out of bounds write due to type confusion. 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: ALPS11383899; Issue ID: MSV-9800.","status":"published","published":"2026-10-05T02:16:53.683Z","modified":"2026-10-30T03:16:40.26Z","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-787"],"updated_at":"2026-11-02T14:12:53.75133Z"}]}}