{"id":"CVE-2026-70027","published":"2026-10-13T19:19:14.010","lastModified":"2026-10-16T19:12:54.970","description":"Heap-based buffer overflow in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.","cvssScore":7.8,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwes":["CWE-122"],"vendors":["microsoft"],"products":["windows 10 21h2","windows 10 22h2","windows 11 23h2","windows 11 24h2","windows 11 25h2","windows 11 26h1","windows 11 26h2","windows server 2022","windows server 2025"],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70027","tags":["Patch","Vendor Advisory"]}],"exploitRefs":[],"hasPoc":false,"ai":null}