{"id":"CVE-2026-20548","aliases":["A-557043202","A-557043203","A-557043204","A-557043205","ASB-A-557043202","ASB-A-557043203","ASB-A-557043204","ASB-A-557043205","EUVD-2026-115013","GHSA-cp6g-v885-6wxw","M-MOLY01774038","M-MOLY01872867","M-MOLY01874018","M-MOLY01876654","M-MOLY01879158"],"status":"published","title":"In Modem, there is a possible out of bounds write due to an integer overflow. This could lead to...","description":"In Modem, there is a possible out of bounds write due to an integer overflow. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01872867 / MOLY01774038; Issue ID: MSV-9801.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00242,"percentile":0.15499,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2026-11-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","affected":[{"source":"osv","ecosystem":"Android","package":":unknown:","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"SoCVersion:0"},{"fixed":"SoCVersion:2026-11-05"}]}],"versions":["SoCVersion"],"bundled":4},{"source":"osv","ecosystem":"Android","package":":unknown:","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"SoCVersion:0"},{"fixed":"SoCVersion:2026-11-05"}]}],"versions":["SoCVersion"],"bundled":4},{"source":"osv","ecosystem":"Android","package":":unknown:","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"SoCVersion:0"},{"fixed":"SoCVersion:2026-11-05"}]}],"versions":["SoCVersion"],"bundled":4},{"source":"osv","ecosystem":"Android","package":":unknown:","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"SoCVersion:0"},{"fixed":"SoCVersion:2026-11-05"}]}],"versions":["SoCVersion"],"bundled":4}],"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-2026-20548"},{"url":"https://github.com/advisories/GHSA-cp6g-v885-6wxw"},{"url":"https://source.android.com/security/bulletin/2026-11-01","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-20548","description":"In Modem, there is a possible out of bounds write due to an integer overflow. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01872867 / MOLY01774038; Issue ID: MSV-9801.","status":"published","published":"2026-11-02T02:33:05.476Z","modified":"2026-11-04T04:55:32.7Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-787"],"updated_at":"2026-11-04T05:21:48.223566Z"}],"euvd":[{"id":"EUVD-2026-115013","description":"In Modem, there is a possible out of bounds write due to an integer overflow. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01872867 / MOLY01774038; Issue ID: MSV-9801.","status":"published","published":"2026-11-02T02:33:05Z","modified":"2026-11-04T04:55:32Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-04T07:00:57.274021Z"}],"ghsa":[{"id":"GHSA-cp6g-v885-6wxw","title":"In Modem, there is a possible out of bounds write due to an integer overflow. This could lead to...","description":"In Modem, there is a possible out of bounds write due to an integer overflow. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01872867 / MOLY01774038; Issue ID: MSV-9801.","status":"published","published":"2026-11-02T03:30:35Z","modified":"2026-11-02T18:32:19Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T19:02:39.544035Z"}],"nvd":[{"id":"CVE-2026-20548","description":"In Modem, there is a possible out of bounds write due to an integer overflow. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01872867 / MOLY01774038; Issue ID: MSV-9801.","status":"published","published":"2026-11-02T03:17:31.65Z","modified":"2026-11-04T05:18:53.44Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-12T21:32:41.613705Z"}],"osv":[{"id":"ASB-A-557043202","status":"published","published":"2026-11-01T00:00:00Z","modified":"2026-11-12T17:24:32.213657206Z","updated_at":"2026-11-10T17:35:07.907985Z"},{"id":"ASB-A-557043203","status":"published","published":"2026-11-01T00:00:00Z","modified":"2026-11-11T16:12:36.322289056Z","updated_at":"2026-11-10T17:35:07.907985Z"},{"id":"ASB-A-557043204","status":"published","published":"2026-11-01T00:00:00Z","modified":"2026-11-11T16:12:36.322289056Z","updated_at":"2026-11-10T17:35:07.907985Z"},{"id":"ASB-A-557043205","status":"published","published":"2026-11-01T00:00:00Z","modified":"2026-11-12T17:24:32.213657206Z","updated_at":"2026-11-10T17:35:07.907985Z"}]}}