{"id":"CVE-2023-21554","aliases":[],"url":"https://o3.security/vulnerability/CVE-2023-21554","summary":"Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability","details":"Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability","published":"2023-04-11T21:15:15.597","modified":"2026-06-17T05:33:09.760","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.95454,"percentile":0.99864,"asOf":"2026-09-08"},"cisaKev":null,"exploitsKnown":7,"affectedPackages":[],"fix":null,"references":[{"type":"FIX","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21554"},{"type":"FIX","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21554"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-06-17T05:33:09.760"}}