{"id":"CVE-2026-69634","published":"2026-10-13T19:18:56.343","lastModified":"2026-10-16T16:20:02.900","description":"Heap-based buffer overflow in Windows iSCSI 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-122"],"vendors":[],"products":[],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69634","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"A heap-based buffer overflow in Windows iSCSI allows remote attackers to execute arbitrary code with high privileges. This vulnerability affects the iSCSI initiator component and can be exploited over a network without authentication.","exploitability":"Exploitation is relatively straightforward as it requires only network access to the affected iSCSI service, with no authentication needed for initial exploitation.","blast_radius":"The impact could be severe across enterprise environments that use iSCSI storage, potentially allowing attackers to gain full system compromise on vulnerable Windows hosts.","remediation":"Apply the latest Windows updates including KB5042819 or later, which contain the patched iSCSI implementation.","detection":"Monitor for unusual network traffic patterns to iSCSI ports (typically TCP 3260) and check Windows Event Logs for iSCSI-related errors or crashes in the iSCSI initiator service.","tags":["rce","iscsi","network"],"model":"garnet-coder","analyzedAt":"2026-10-14T08:47:47.777Z"}}