{"id":"CVE-2026-28627","title":"In btm_sec_encrypt_change of btm_sec.cc, there is a possible downgrade attack due to a logic error in the code","summary":"In btm_sec_encrypt_change of btm_sec.cc, there is a possible downgrade attack due to a logic error in the code. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not need…","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","cwe":["CWE-693"],"vendor":"google","product":"android","affected":["android = 16.0","android = 17.0"],"published":"2026-09-08","updated":"2026-09-15","sourceUpdated":"2026-09-15T14:08:06.213","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-28627","references":[{"url":"https://source.android.com/docs/security/bulletin/2026/2026-09-01","label":"security@android.com"}],"tags":["nvd","cve.org"],"epss":0.0021,"epssPercentile":0.11462,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-10T17:04:07.107031Z"},"ingestedAt":"2026-09-08T19:08:49.642Z","slug":"CVE-2026-28627","body":"## Overview\n\nIn btm_sec_encrypt_change of btm_sec.cc, there is a possible downgrade attack due to a logic error in the code. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.\n\n## Affected\n\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":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":201547,"id":"CVE-2026-28627","ts":1789399510978,"field":"cvss","old":null,"new":"4.3"},{"seq":201546,"id":"CVE-2026-28627","ts":1789399510978,"field":"severity","old":"none","new":"medium"},{"seq":200281,"id":"CVE-2026-28627","ts":1789397086397,"field":"cvss","old":"4.3","new":null},{"seq":200280,"id":"CVE-2026-28627","ts":1789397086397,"field":"severity","old":"medium","new":"none"},{"seq":198205,"id":"CVE-2026-28627","ts":1789391742569,"field":"cvss","old":null,"new":"4.3"},{"seq":198204,"id":"CVE-2026-28627","ts":1789391742569,"field":"severity","old":"none","new":"medium"},{"seq":195998,"id":"CVE-2026-28627","ts":1789383399486,"field":"cvss","old":"4.3","new":null},{"seq":195997,"id":"CVE-2026-28627","ts":1789383399486,"field":"severity","old":"medium","new":"none"},{"seq":194927,"id":"CVE-2026-28627","ts":1789380300504,"field":"cvss","old":null,"new":"4.3"},{"seq":194926,"id":"CVE-2026-28627","ts":1789380300504,"field":"severity","old":"none","new":"medium"},{"seq":193714,"id":"CVE-2026-28627","ts":1789378269022,"field":"cvss","old":"4.3","new":null},{"seq":193713,"id":"CVE-2026-28627","ts":1789378269022,"field":"severity","old":"medium","new":"none"},{"seq":192501,"id":"CVE-2026-28627","ts":1789376233400,"field":"cvss","old":null,"new":"4.3"},{"seq":192500,"id":"CVE-2026-28627","ts":1789376233400,"field":"severity","old":"none","new":"medium"},{"seq":191288,"id":"CVE-2026-28627","ts":1789373126707,"field":"cvss","old":"4.3","new":null},{"seq":191287,"id":"CVE-2026-28627","ts":1789373126707,"field":"severity","old":"medium","new":"none"},{"seq":190073,"id":"CVE-2026-28627","ts":1789369121141,"field":"cvss","old":null,"new":"4.3"},{"seq":190072,"id":"CVE-2026-28627","ts":1789369121141,"field":"severity","old":"none","new":"medium"},{"seq":188860,"id":"CVE-2026-28627","ts":1789368038450,"field":"cvss","old":"4.3","new":null},{"seq":188859,"id":"CVE-2026-28627","ts":1789368038450,"field":"severity","old":"medium","new":"none"},{"seq":187643,"id":"CVE-2026-28627","ts":1789364996605,"field":"cvss","old":null,"new":"4.3"},{"seq":187642,"id":"CVE-2026-28627","ts":1789364996605,"field":"severity","old":"none","new":"medium"},{"seq":186430,"id":"CVE-2026-28627","ts":1789363002492,"field":"cvss","old":"4.3","new":null},{"seq":186429,"id":"CVE-2026-28627","ts":1789363002492,"field":"severity","old":"medium","new":"none"},{"seq":185216,"id":"CVE-2026-28627","ts":1789360969798,"field":"cvss","old":null,"new":"4.3"},{"seq":185215,"id":"CVE-2026-28627","ts":1789360969798,"field":"severity","old":"none","new":"medium"},{"seq":184003,"id":"CVE-2026-28627","ts":1789357943505,"field":"cvss","old":"4.3","new":null},{"seq":184002,"id":"CVE-2026-28627","ts":1789357943505,"field":"severity","old":"medium","new":"none"},{"seq":182255,"id":"CVE-2026-28627","ts":1789354097988,"field":"cvss","old":null,"new":"4.3"},{"seq":182254,"id":"CVE-2026-28627","ts":1789354097988,"field":"severity","old":"none","new":"medium"},{"seq":181048,"id":"CVE-2026-28627","ts":1789352943487,"field":"cvss","old":"4.3","new":null},{"seq":181047,"id":"CVE-2026-28627","ts":1789352943487,"field":"severity","old":"medium","new":"none"},{"seq":179841,"id":"CVE-2026-28627","ts":1789350001184,"field":"cvss","old":null,"new":"4.3"},{"seq":179840,"id":"CVE-2026-28627","ts":1789350001184,"field":"severity","old":"none","new":"medium"},{"seq":178634,"id":"CVE-2026-28627","ts":1789347814421,"field":"cvss","old":"4.3","new":null},{"seq":178633,"id":"CVE-2026-28627","ts":1789347814421,"field":"severity","old":"medium","new":"none"},{"seq":177427,"id":"CVE-2026-28627","ts":1789346181799,"field":"cvss","old":null,"new":"4.3"},{"seq":177426,"id":"CVE-2026-28627","ts":1789346181799,"field":"severity","old":"none","new":"medium"},{"seq":176220,"id":"CVE-2026-28627","ts":1789342752104,"field":"cvss","old":"4.3","new":null},{"seq":176219,"id":"CVE-2026-28627","ts":1789342752104,"field":"severity","old":"medium","new":"none"},{"seq":176004,"id":"CVE-2026-28627","ts":1789342358608,"field":"cvss","old":null,"new":"4.3"},{"seq":176003,"id":"CVE-2026-28627","ts":1789342358608,"field":"severity","old":"none","new":"medium"},{"seq":175544,"id":"CVE-2026-28627","ts":1789338390106,"field":"cvss","old":"4.3","new":null},{"seq":175543,"id":"CVE-2026-28627","ts":1789338390106,"field":"severity","old":"medium","new":"none"},{"seq":174339,"id":"CVE-2026-28627","ts":1789334604851,"field":"cvss","old":null,"new":"4.3"},{"seq":174338,"id":"CVE-2026-28627","ts":1789334604851,"field":"severity","old":"none","new":"medium"},{"seq":173134,"id":"CVE-2026-28627","ts":1789333197527,"field":"cvss","old":"4.3","new":null},{"seq":173133,"id":"CVE-2026-28627","ts":1789333197527,"field":"severity","old":"medium","new":"none"},{"seq":171948,"id":"CVE-2026-28627","ts":1789330884569,"field":"cvss","old":null,"new":"4.3"},{"seq":171947,"id":"CVE-2026-28627","ts":178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