{"id":"CVE-2026-123388","published":"2026-11-10T19:20:42.420","lastModified":"2026-11-11T01:17:13.353","description":"Heap-based buffer overflow in Windows Program Compatibility Assistant 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","CWE-170"],"vendors":[],"products":[],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-123388","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}