{"id":"CVE-2026-70262","published":"2026-10-13T19:19:44.897","lastModified":"2026-10-16T16:20:49.500","description":"Heap-based buffer overflow in WebDAV allows an unauthorized attacker to elevate privileges over a network.","cvssScore":8.8,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwes":["CWE-122"],"vendors":[],"products":[],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70262","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"A heap-based buffer overflow in WebDAV allows unauthorized attackers to elevate privileges over a network, potentially leading to full system compromise. This vulnerability arises from improper bounds checking when processing WebDAV requests.","exploitability":"Exploitation requires a network-based attack with minimal preconditions, as the vulnerability is accessible to unauthenticated users and can be triggered through standard WebDAV operations.","blast_radius":"If exploited, this vulnerability could allow attackers to gain elevated privileges across the entire network infrastructure that relies on WebDAV services, potentially affecting multiple systems and applications that depend on these services.","remediation":"No fixed version is published. Disable WebDAV functionality or restrict access to the WebDAV endpoint to trusted networks until a patch is available.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["webdav","privilege-escalation","network"],"model":"garnet-coder","analyzedAt":"2026-10-18T09:56:29.803Z"}}