{"id":"CVE-2026-88157","published":"2026-10-13T19:21:35.840","lastModified":"2026-10-16T16:22:36.847","description":"Heap-based buffer overflow in OpenSSH for Windows allows an unauthorized attacker to execute code 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-2026-88157","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"A heap-based buffer overflow in OpenSSH for Windows allows remote attackers to execute arbitrary code with high privileges. This vulnerability arises from insufficient bounds checking when processing SSH connections.","exploitability":"Exploitation is moderately difficult requiring a network connection and specific SSH interaction patterns, but can be achieved without authentication through crafted SSH packets that trigger the buffer overflow.","blast_radius":"If exploited, this vulnerability could allow attackers to gain full system access on Windows machines running OpenSSH, potentially leading to complete network compromise and lateral movement.","remediation":"Upgrade to OpenSSH for Windows version 9.8p1 or later, which contains the fix for this heap-based buffer overflow vulnerability.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["rce","ssh","windows","remote"],"model":"garnet-coder","analyzedAt":"2026-10-18T10:05:04.681Z"}}