{"id":"CVE-2026-28639","title":"In rw_mfc_handle_read_op of rw_mfc.cc, there is a possible out of bounds write due to a logic error in the code","summary":"In rw_mfc_handle_read_op of rw_mfc.cc, there is a possible out of bounds write 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 nee…","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":"2026-09-15T14:08:18.987","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-28639","references":[{"url":"https://source.android.com/docs/security/bulletin/2026/2026-09-01","label":"security@android.com"}],"tags":["nvd","cve.org"],"epss":0.00092,"epssPercentile":0.00589,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-10T03:57:19.711970Z"},"ingestedAt":"2026-09-08T19:08:49.642Z","slug":"CVE-2026-28639","body":"## Overview\n\nIn rw_mfc_handle_read_op of rw_mfc.cc, there is a possible out of bounds write 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":201561,"id":"CVE-2026-28639","ts":1789399511022,"field":"cvss","old":null,"new":"7.8"},{"seq":201560,"id":"CVE-2026-28639","ts":1789399511022,"field":"severity","old":"none","new":"high"},{"seq":200295,"id":"CVE-2026-28639","ts":1789397086446,"field":"cvss","old":"7.8","new":null},{"seq":200294,"id":"CVE-2026-28639","ts":1789397086446,"field":"severity","old":"high","new":"none"},{"seq":198219,"id":"CVE-2026-28639","ts":1789391743590,"field":"cvss","old":null,"new":"7.8"},{"seq":198218,"id":"CVE-2026-28639","ts":1789391743590,"field":"severity","old":"none","new":"high"},{"seq":196012,"id":"CVE-2026-28639","ts":1789383399534,"field":"cvss","old":"7.8","new":null},{"seq":196011,"id":"CVE-2026-28639","ts":1789383399534,"field":"severity","old":"high","new":"none"},{"seq":194941,"id":"CVE-2026-28639","ts":1789380300548,"field":"cvss","old":null,"new":"7.8"},{"seq":194940,"id":"CVE-2026-28639","ts":1789380300548,"field":"severity","old":"none","new":"high"},{"seq":193728,"id":"CVE-2026-28639","ts":1789378269073,"field":"cvss","old":"7.8","new":null},{"seq":193727,"id":"CVE-2026-28639","ts":1789378269073,"field":"severity","old":"high","new":"none"},{"seq":192515,"id":"CVE-2026-28639","ts":1789376233448,"field":"cvss","old":null,"new":"7.8"},{"seq":192514,"id":"CVE-2026-28639","ts":1789376233448,"field":"severity","old":"none","new":"high"},{"seq":191302,"id":"CVE-2026-28639","ts":1789373126755,"field":"cvss","old":"7.8","new":null},{"seq":191301,"id":"CVE-2026-28639","ts":1789373126755,"field":"severity","old":"high","new":"none"},{"seq":190087,"id":"CVE-2026-28639","ts":1789369121191,"field":"cvss","old":null,"new":"7.8"},{"seq":190086,"id":"CVE-2026-28639","ts":1789369121191,"field":"severity","old":"none","new":"high"},{"seq":188874,"id":"CVE-2026-28639","ts":1789368038498,"field":"cvss","old":"7.8","new":null},{"seq":188873,"id":"CVE-2026-28639","ts":1789368038498,"field":"severity","old":"high","new":"none"},{"seq":187657,"id":"CVE-2026-28639","ts":1789364996647,"field":"cvss","old":null,"new":"7.8"},{"seq":187656,"id":"CVE-2026-28639","ts":1789364996647,"field":"severity","old":"none","new":"high"},{"seq":186444,"id":"CVE-2026-28639","ts":1789363002552,"field":"cvss","old":"7.8","new":null},{"seq":186443,"id":"CVE-2026-28639","ts":1789363002552,"field":"severity","old":"high","new":"none"},{"seq":185230,"id":"CVE-2026-28639","ts":1789360969840,"field":"cvss","old":null,"new":"7.8"},{"seq":185229,"id":"CVE-2026-28639","ts":1789360969840,"field":"severity","old":"none","new":"high"},{"seq":184017,"id":"CVE-2026-28639","ts":1789357943553,"field":"cvss","old":"7.8","new":null},{"seq":184016,"id":"CVE-2026-28639","ts":1789357943553,"field":"severity","old":"high","new":"none"},{"seq":182269,"id":"CVE-2026-28639","ts":1789354098033,"field":"cvss","old":null,"new":"7.8"},{"seq":182268,"id":"CVE-2026-28639","ts":1789354098033,"field":"severity","old":"none","new":"high"},{"seq":181062,"id":"CVE-2026-28639","ts":1789352943542,"field":"cvss","old":"7.8","new":null},{"seq":181061,"id":"CVE-2026-28639","ts":1789352943542,"field":"severity","old":"high","new":"none"},{"seq":179855,"id":"CVE-2026-28639","ts":1789350001231,"field":"cvss","old":null,"new":"7.8"},{"seq":179854,"id":"CVE-2026-28639","ts":1789350001231,"field":"severity","old":"none","new":"high"},{"seq":178648,"id":"CVE-2026-28639","ts":1789347814469,"field":"cvss","old":"7.8","new":null},{"seq":178647,"id":"CVE-2026-28639","ts":1789347814469,"field":"severity","old":"high","new":"none"},{"seq":177441,"id":"CVE-2026-28639","ts":1789346181838,"field":"cvss","old":null,"new":"7.8"},{"seq":177440,"id":"CVE-2026-28639","ts":1789346181838,"field":"severity","old":"none","new":"high"},{"seq":176234,"id":"CVE-2026-28639","ts":1789342752150,"field":"cvss","old":"7.8","new":null},{"seq":176233,"id":"CVE-2026-28639","ts":1789342752150,"field":"severity","old":"high","new":"none"},{"seq":176018,"id":"CVE-2026-28639","ts":1789342358654,"field":"cvss","old":null,"new":"7.8"},{"seq":176017,"id":"CVE-2026-28639","ts":1789342358654,"field":"severity","old":"none","new":"high"},{"seq":175558,"id":"CVE-2026-28639","ts":1789338390153,"field":"cvss","old":"7.8","new":null},{"seq":175557,"id":"CVE-2026-28639","ts":1789338390153,"field":"severity","old":"high","new":"none"},{"seq":174353,"id":"CVE-2026-28639","ts":1789334604892,"field":"cvss","old":null,"new":"7.8"},{"seq":174352,"id":"CVE-2026-28639","ts":1789334604892,"field":"severity","old":"none","new":"high"},{"seq":173148,"id":"CVE-2026-28639","ts":1789333197574,"field":"cvss","old":"7.8","new":null},{"seq":173147,"id":"CVE-2026-28639","ts":1789333197574,"field":"severity","old":"high","new":"none"},{"seq":171962,"id":"CVE-2026-28639","ts":1789330884610,"field":"cvss","old":null,"new":"7.8"},{"seq":171961,"id":"CVE-2026-28639","ts":1789330884610,"field":"severity","old":"none","ne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