{"id":"CVE-2026-28634","title":"In handleUssdRequest of PhoneInterfaceManager.java, there is a possible way to send a USSD request without permission due to a logic error in the code","summary":"In handleUssdRequest of PhoneInterfaceManager.java, there is a possible way to send a USSD request without permission due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privile…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-693"],"vendor":"google","product":"android","affected":["android = 14.0","android = 15.0","android = 16.0","android = 17.0"],"published":"2026-09-08","updated":"2026-09-15","sourceUpdated":"2026-09-15T14:03:40.073","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-28634","references":[{"url":"https://source.android.com/docs/security/bulletin/2026/2026-09-01","label":"security@android.com"}],"tags":["nvd","cve.org"],"epss":0.00077,"epssPercentile":0.00135,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-10T03:57:18.261593Z"},"ingestedAt":"2026-09-08T19:08:49.642Z","slug":"CVE-2026-28634","body":"## Overview\n\nIn handleUssdRequest of PhoneInterfaceManager.java, there is a possible way to send a USSD request without permission due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.\n\n## Affected\n\n- `android = 14.0`\n- `android = 15.0`\n- `android = 16.0`\n- `android = 17.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":201555,"id":"CVE-2026-28634","ts":1789399511003,"field":"cvss","old":null,"new":"7.8"},{"seq":201554,"id":"CVE-2026-28634","ts":1789399511003,"field":"severity","old":"none","new":"high"},{"seq":200289,"id":"CVE-2026-28634","ts":1789397086425,"field":"cvss","old":"7.8","new":null},{"seq":200288,"id":"CVE-2026-28634","ts":1789397086425,"field":"severity","old":"high","new":"none"},{"seq":198213,"id":"CVE-2026-28634","ts":1789391743154,"field":"cvss","old":null,"new":"7.8"},{"seq":198212,"id":"CVE-2026-28634","ts":1789391743154,"field":"severity","old":"none","new":"high"},{"seq":196006,"id":"CVE-2026-28634","ts":1789383399514,"field":"cvss","old":"7.8","new":null},{"seq":196005,"id":"CVE-2026-28634","ts":1789383399514,"field":"severity","old":"high","new":"none"},{"seq":194935,"id":"CVE-2026-28634","ts":1789380300529,"field":"cvss","old":null,"new":"7.8"},{"seq":194934,"id":"CVE-2026-28634","ts":1789380300529,"field":"severity","old":"none","new":"high"},{"seq":193722,"id":"CVE-2026-28634","ts":1789378269052,"field":"cvss","old":"7.8","new":null},{"seq":193721,"id":"CVE-2026-28634","ts":1789378269052,"field":"severity","old":"high","new":"none"},{"seq":192509,"id":"CVE-2026-28634","ts":1789376233427,"field":"cvss","old":null,"new":"7.8"},{"seq":192508,"id":"CVE-2026-28634","ts":1789376233427,"field":"severity","old":"none","new":"high"},{"seq":191296,"id":"CVE-2026-28634","ts":1789373126735,"field":"cvss","old":"7.8","new":null},{"seq":191295,"id":"CVE-2026-28634","ts":1789373126735,"field":"severity","old":"high","new":"none"},{"seq":190081,"id":"CVE-2026-28634","ts":1789369121169,"field":"cvss","old":null,"new":"7.8"},{"seq":190080,"id":"CVE-2026-28634","ts":1789369121169,"field":"severity","old":"none","new":"high"},{"seq":188868,"id":"CVE-2026-28634","ts":1789368038477,"field":"cvss","old":"7.8","new":null},{"seq":188867,"id":"CVE-2026-28634","ts":1789368038477,"field":"severity","old":"high","new":"none"},{"seq":187651,"id":"CVE-2026-28634","ts":1789364996629,"field":"cvss","old":null,"new":"7.8"},{"seq":187650,"id":"CVE-2026-28634","ts":1789364996629,"field":"severity","old":"none","new":"high"},{"seq":186438,"id":"CVE-2026-28634","ts":1789363002527,"field":"cvss","old":"7.8","new":null},{"seq":186437,"id":"CVE-2026-28634","ts":1789363002527,"field":"severity","old":"high","new":"none"},{"seq":185224,"id":"CVE-2026-28634","ts":1789360969822,"field":"cvss","old":null,"new":"7.8"},{"seq":185223,"id":"CVE-2026-28634","ts":1789360969822,"field":"severity","old":"none","new":"high"},{"seq":184011,"id":"CVE-2026-28634","ts":1789357943532,"field":"cvss","old":"7.8","new":null},{"seq":184010,"id":"CVE-2026-28634","ts":1789357943532,"field":"severity","old":"high","new":"none"},{"seq":182263,"id":"CVE-2026-28634","ts":1789354098014,"field":"cvss","old":null,"new":"7.8"},{"seq":182262,"id":"CVE-2026-28634","ts":1789354098014,"field":"severity","old":"none","new":"high"},{"seq":181056,"id":"CVE-2026-28634","ts":1789352943518,"field":"cvss","old":"7.8","new":null},{"seq":181055,"id":"CVE-2026-28634","ts":1789352943518,"field":"severity","old":"high","new":"none"},{"seq":179849,"id":"CVE-2026-28634","ts":1789350001211,"field":"cvss","old":null,"new":"7.8"},{"seq":179848,"id":"CVE-2026-28634","ts":1789350001211,"field":"severity","old":"none","new":"high"},{"seq":178642,"id":"CVE-2026-28634","ts":1789347814448,"field":"cvss","old":"7.8","new":null},{"seq":178641,"id":"CVE-2026-28634","ts":1789347814448,"field":"severity","old":"high","new":"none"},{"seq":177435,"id":"CVE-2026-28634","ts":1789346181821,"field":"cvss","old":null,"new":"7.8"},{"seq":177434,"id":"CVE-2026-28634","ts":1789346181821,"field":"severity","old":"none","new":"high"},{"seq":176228,"id":"CVE-2026-28634","ts":1789342752130,"field":"cvss","old":"7.8","new":null},{"seq":176227,"id":"CVE-2026-28634","ts":1789342752130,"field":"severity","old":"high","new":"none"},{"seq":176012,"id":"CVE-2026-28634","ts":1789342358634,"field":"cvss","old":null,"new":"7.8"},{"seq":176011,"id":"CVE-2026-28634","ts":1789342358634,"field":"severity","old":"none","new":"high"},{"seq":175552,"id":"CVE-2026-28634","ts":1789338390133,"field":"cvss","old":"7.8","new":null},{"seq":175551,"id":"CVE-2026-28634","ts":1789338390133,"field":"severity","old":"high","new":"none"},{"seq":174347,"id":"CVE-2026-28634","ts":1789334604875,"field":"cvss","old":null,"new":"7.8"},{"seq":174346,"id":"CVE-2026-28634","ts":1789334604875,"field":"severity","old":"none","new":"high"},{"seq":173142,"id":"CVE-2026-28634","ts":1789333197554,"field":"cvss","old":"7.8","new":null},{"seq":173141,"id":"CVE-2026-28634","ts":1789333197554,"field":"severity","old":"high","new":"none"},{"seq":171956,"id":"CVE-2026-28634","ts":1789330884593,"field":"cvss","old":null,"new":"7.8"},{"seq":171955,"id":"CVE-2026-28634","ts":1789330884593,"field":"severity","old":"none","ne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