{"id":"CVE-2026-20566","aliases":["EUVD-2026-115031","GHSA-rp6f-696m-rpqw"],"status":"published","title":"In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead...","description":"In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, if a malicious actor has already obtained the System privilege. User interaction is needed for exploitation. Patch ID: MOLY01923663 / ALPS11315955; Issue ID: MSV-10866.","severity":{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00156,"percentile":0.04788,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2026-11-02T02:33:34Z","modified":"2026-11-02T18:32:20Z","products":[{"vendor":"mediatek, inc.","product":"mediatek chipset"}],"references":[{"url":"https://www.mediatek.com/product-security-bulletin/November-2026"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20566"},{"url":"https://github.com/advisories/GHSA-rp6f-696m-rpqw"}],"sources":{"cve":[{"id":"CVE-2026-20566","description":"In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, if a malicious actor has already obtained the System privilege. User interaction is needed for exploitation. Patch ID: MOLY01923663 / ALPS11315955; Issue ID: MSV-10866.","status":"published","published":"2026-11-02T02:33:34.28Z","modified":"2026-11-02T17:11:43.367Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T19:02:29.283836Z"}],"euvd":[{"id":"EUVD-2026-115031","description":"In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, if a malicious actor has already obtained the System privilege. User interaction is needed for exploitation. Patch ID: MOLY01923663 / ALPS11315955; Issue ID: MSV-10866.","status":"published","published":"2026-11-02T02:33:34Z","modified":"2026-11-02T17:11:43Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T05:08:39.764975Z"}],"ghsa":[{"id":"GHSA-rp6f-696m-rpqw","title":"In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead...","description":"In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, if a malicious actor has already obtained the System privilege. User interaction is needed for exploitation. Patch ID: MOLY01923663 / ALPS11315955; Issue ID: MSV-10866.","status":"published","published":"2026-11-02T03:30:36Z","modified":"2026-11-02T18:32:20Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T19:02:40.409728Z"}],"nvd":[{"id":"CVE-2026-20566","description":"In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, if a malicious actor has already obtained the System privilege. User interaction is needed for exploitation. Patch ID: MOLY01923663 / ALPS11315955; Issue ID: MSV-10866.","status":"published","published":"2026-11-02T03:17:33.963Z","modified":"2026-11-02T17:17:42.763Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T20:51:44.219211Z"}]}}