{"id":"CVE-2026-83830","published":"2026-10-13T19:20:30.720","lastModified":"2026-10-16T16:21:34.510","description":"Heap-based buffer overflow in Windows COM+ Event System Service 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":[],"products":[],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83830","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}