{"id":"CVE-2026-66801","revision":"4933257ede8645428a721a967bba84cc","records":[{"revision":"4933257ede8645428a721a967bba84cc","observedAt":"2026-11-11T02:25:43.368+00:00","statement":{"source":"cve-program","id":"CVE-2026-66801","aliases":[],"title":"Microsoft Xbox Remote Code Execution Vulnerability","description":"Heap-based buffer overflow in Xbox allows an unauthorized attacker to execute code over a network.","state":0,"publishedAt":"2026-11-10T18:15:11.985+00:00","modifiedAt":"2026-11-10T23:46:36.319+00:00","affected":[{"ecosystem":"Vendor product","name":"Microsoft GDK","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Microsoft GDK\",\n                    \"platforms\": [\n                        \"Xbox\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"1.0.0.0\",\n                            \"lessThan\": \"2610\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","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","score":9.8,"severity":"CRITICAL"}],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66801"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-66801","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-66801","identifiers":["CVE-2026-66801"]},"retained":false,"historicalAffected":[]}],"coverage":[]}