{"id":"CVE-2023-21674","aliases":[],"url":"https://o3.security/vulnerability/CVE-2023-21674","summary":"Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability","details":"Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability","published":"2023-01-10T22:15:16.307","modified":"2026-06-17T05:33:36.547","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"},"epss":{"score":0.41806,"percentile":0.98592,"asOf":"2026-09-08"},"cisaKev":null,"exploitsKnown":6,"affectedPackages":[],"fix":null,"references":[{"type":"FIX","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21674"},{"type":"FIX","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21674"},{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-21674"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-06-17T05:33:36.547"}}