{"id":"CVE-2026-49921","title":"In multiple locations, there is a possible memory safety issue due to a heap buffer overflow","summary":"In multiple locations, there is a possible memory safety issue due to a heap buffer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-122"],"vendor":"google","product":"android","affected":["android = 14.0","android = 15.0","android = 16.0","android = 17.0"],"published":"2026-09-08","updated":"2026-09-24","sourceUpdated":"2026-09-24T15:46:55.063","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-49921","references":[{"url":"https://source.android.com/docs/security/bulletin/2026/2026-09-01","label":"security@android.com"}],"tags":["nvd","cve.org"],"epss":0.00386,"epssPercentile":0.30035,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-09-08T19:58:05.743770Z"},"ingestedAt":"2026-09-08T19:08:49.641Z","slug":"CVE-2026-49921","body":"## Overview\n\nIn multiple locations, there is a possible memory safety issue due to a heap buffer overflow. This could lead to remote code execution 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":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":6070,"id":"CVE-2026-49921","ts":1788898245074,"field":"cvss","old":null,"new":"9.8"},{"seq":6069,"id":"CVE-2026-49921","ts":1788898245074,"field":"severity","old":"none","new":"critical"}]}