{"id":"CVE-2026-83851","published":"2026-10-13T19:20:33.960","lastModified":"2026-10-16T16:21:37.620","description":"Heap-based buffer overflow in Windows Partition Management Driver 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-2026-83851","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"A heap-based buffer overflow in Windows Partition Management Driver allows remote attackers to elevate privileges by sending specially crafted network requests. This vulnerability can be exploited without authentication and affects systems running affected versions of Windows.","exploitability":"Exploitation is moderately difficult as it requires a remote attacker to send specific network packets to trigger the buffer overflow, but no user interaction is needed once the vulnerable driver is accessed.","blast_radius":"The vulnerability could impact a wide range of Windows systems that have the partition management driver enabled, potentially allowing attackers to gain full system privileges across multiple endpoints.","remediation":"Apply the latest Windows updates from Microsoft's Security Response Center that include fixes for this heap-based buffer overflow in the Partition Management Driver.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["privilege-escalation","network","windows"],"model":"garnet-coder","analyzedAt":"2026-10-18T09:59:27.843Z"}}