{"affected":[{"defaultStatus":"unaffected","product":"Android","source":"CNA: Google_Devices","vendor":"Google","versions":[{"status":"affected","version":"Android kernel"}]}],"cveId":"CVE-2026-56946","cwes":[],"description":"In smmu_unmap_visit_leaf of arm-smmu-v3.c, there is a possible way to release active direct memory access page references during unmapping due to a logic error. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.","epss":{"date":"2026-11-12","percentile":0.02794,"score":0.00132},"exploits":[],"kev":null,"metrics":[],"modifiedAt":1794547123223,"publishedAt":1794338450857,"references":[{"source":"CNA: Google_Devices","tags":[],"url":"https://source.android.com/docs/security/bulletin/pixel/2026/2026-11-01"},{"source":"dsap-vuln-management@google.com","tags":[],"url":"https://source.android.com/docs/security/bulletin/pixel/2026/2026-11-01"}],"remediation":[],"revision":"3795880bba49e79c0806358c27d01922bd06ba352039abde1a8ffb1ec09c8508","sources":[{"modifiedAt":1794546138087,"name":"CNA: Google_Devices","retrievedAt":1794550297259,"url":"https://www.cve.org/CVERecord?id=CVE-2026-56946"},{"modifiedAt":1794547123223,"name":"NVD","retrievedAt":1794550581115,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56946"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794550308212,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-56946"}],"ssvc":{"assessedAt":1794441600000,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"total"},"status":"published","title":"CVE-2026-56946","updatedAt":1794550581115}