{"id":"CVE-2026-20423","aliases":["EUVD-2026-9151","GHSA-5pr4-qmc6-fvxj"],"status":"published","title":"In wlan STA driver, there is a possible out of bounds write due to a missing bounds check. This...","description":"In wlan STA driver, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00465314; Issue ID: MSV-4956.","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":0.00142,"percentile":0.03604,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-749","CWE-787"],"published":"2026-03-02T08:37:41Z","modified":"2026-06-17T10:17:24Z","products":[{"vendor":"mediatek","product":"nbiot_sdk"},{"vendor":"mediatek, inc.","product":"mediatek chipset"}],"references":[{"url":"https://corp.mediatek.com/product-security-bulletin/March-2026","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20423"},{"url":"https://github.com/advisories/GHSA-5pr4-qmc6-fvxj"}],"sources":{"cve":[{"id":"CVE-2026-20423","description":"In wlan STA driver, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00465314; Issue ID: MSV-4956.","status":"published","published":"2026-03-02T08:37:41.026Z","modified":"2026-03-30T13:05:18.799Z","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-749"],"updated_at":"2026-11-02T13:35:33.380441Z"}],"euvd":[{"id":"EUVD-2026-9151","description":"In wlan STA driver, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00465314; Issue ID: MSV-4956.","status":"published","published":"2026-03-02T08:37:41Z","modified":"2026-03-30T13:05:18Z","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":"2026-11-02T19:25:26.376466Z"}],"ghsa":[{"id":"GHSA-5pr4-qmc6-fvxj","title":"In wlan STA driver, there is a possible out of bounds write due to a missing bounds check. This...","description":"In wlan STA driver, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00465314; Issue ID: MSV-4956.","status":"published","published":"2026-03-02T09:30:30Z","modified":"2026-03-03T15:31:36Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"cwes":["CWE-749","CWE-787"],"updated_at":"2026-11-02T15:06:25.813045Z"}],"nvd":[{"id":"CVE-2026-20423","description":"In wlan STA driver, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00465314; Issue ID: MSV-4956.","status":"published","published":"2026-03-02T09:16:15.34Z","modified":"2026-06-17T10:17:24.627Z","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-749","CWE-787"],"updated_at":"2026-11-02T14:12:07.420927Z"}]}}