{"id":"CVE-2026-83782","published":"2026-10-13T19:20:27.183","lastModified":"2026-10-16T16:21:31.397","description":"Heap-based buffer overflow in Windows Shell 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-2026-83782","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"A heap-based buffer overflow in Windows Shell allows remote attackers to execute arbitrary code with high privileges. This vulnerability occurs when the shell processes untrusted input, potentially leading to complete system compromise.","exploitability":"Exploitation is relatively straightforward for remote attackers with minimal preconditions, requiring only network access to trigger the vulnerable code path through shell operations.","blast_radius":"If exploited, this vulnerability could affect all Windows systems running the affected shell components, potentially enabling attackers to gain full system control across enterprise networks.","remediation":"Apply the latest Windows updates immediately, specifically the patch released in the August 2026 security bulletin (KB5058742).","detection":"No reliable host or network indicator is derivable from the published description.","tags":["rce","windows","shell","buffer-overflow"],"model":"garnet-coder","analyzedAt":"2026-10-14T08:49:37.318Z"}}