{"affected":[{"platforms":["Xbox"],"product":"Microsoft GDK","source":"CNA: microsoft","vendor":"Microsoft","versions":[{"lessThan":"2610","status":"affected","version":"1.0.0.0","versionType":"custom"}]}],"cveId":"CVE-2026-66801","cwes":["CWE-122"],"description":"Heap-based buffer overflow in Xbox allows an unauthorized attacker to execute code over a network.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":9.8,"severity":"critical","source":"CNA: microsoft","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","version":"3.1"}],"modifiedAt":1794345284002,"publishedAt":1794334511985,"references":[{"source":"CNA: microsoft","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66801"}],"remediation":[{"kind":"fix","source":"CNA: microsoft","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66801"}],"revision":"3471edcca6bd48315762e26487420bed147c3f8ef9f9c823fb38ff3773e6790c","sources":[{"modifiedAt":1794345284002,"name":"CNA: microsoft","retrievedAt":1794347092356,"url":"https://www.cve.org/CVERecord?id=CVE-2026-66801"}],"ssvc":{"assessedAt":1794345272599,"automatable":"yes","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"total"},"status":"published","title":"Microsoft Xbox Remote Code Execution Vulnerability","updatedAt":1794347092356}