{"id":"CVE-2025-21333","aliases":[],"url":"https://o3.security/vulnerability/CVE-2025-21333","summary":"Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability","details":"Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability","published":"2025-01-14T18:15:58.530","modified":"2026-06-17T08:43:07.637","cvss":{"score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.09988,"percentile":0.95342,"asOf":"2026-09-15"},"cisaKev":null,"exploitsKnown":3,"affectedPackages":[],"fix":null,"references":[{"type":"FIX","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21333"},{"type":"EXPLOIT","url":"https://www.exploit-db.com/exploits/52436"},{"type":"ADVISORY","url":"https://www.vicarius.io/vsociety/posts/cve-2025-21333-elevated-privilege-exposure-in-windows-hyper-v-by-microsoft-detection-script"},{"type":"ADVISORY","url":"https://www.vicarius.io/vsociety/posts/cve-2025-21333-elevated-privilege-exposure-in-windows-hyper-v-by-microsoft-mitigation-script"},{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-21333"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-06-17T08:43:07.637"}}