{"id":"CVE-2026-88218","published":"2026-11-10T19:21:28.907","lastModified":"2026-11-11T05:19:53.953","description":"Double free in Windows DNS allows an unauthorized attacker to execute code over a network.","cvssScore":9.8,"cvssSeverity":"CRITICAL","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwes":["CWE-415"],"vendors":[],"products":[],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88218","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"A double free vulnerability (CWE-415) exists in the Windows DNS server, allowing an unauthenticated remote attacker to corrupt memory and potentially achieve arbitrary code execution over the network.","exploitability":"Exploitation requires network-level access to the DNS service with no authentication or user interaction; the double free must be reliably triggered to gain control of program flow.","blast_radius":"Successful exploitation could allow full system compromise of the DNS server, enabling attackers to disrupt critical name resolution services or pivot laterally within the network.","remediation":"Apply Microsoft security update MS26-XXXX (to be determined from official advisory); until then, restrict inbound UDP/TCP port 53 access to trusted resolvers only and disable unnecessary DNS server roles on non-DNS hosts. No fixed version is published in the description.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["rce","dns","memory-corruption","remote-exploit","windows"],"model":"garnet-coder","analyzedAt":"2026-11-11T09:51:26.883Z"}}