{"cve_id":"CVE-2025-21335","published":"2025-01-14T18:15:58.960000+00:00","last_modified":"2026-09-24T13:10:00.320000+00:00","vuln_status":"Analyzed","description":"Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability","cvss_version":"3.1","cvss_vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","base_score":7.8,"base_severity":"HIGH","attack_vector":"LOCAL","privileges_req":"LOW","user_interaction":"NONE","scope":"UNCHANGED","impact_c":"HIGH","impact_i":"HIGH","impact_a":"HIGH","cwe_ids":["CWE-416"],"in_kev":true,"kev_date_added":"2025-01-14","kev_ransomware":false,"epss_score":0.01401,"epss_percentile":0.72518,"cap_rule_version":"0.1.1","stage":"EXECUTION","req_access":"USER","req_vector":"LOCAL","req_user_interaction":false,"grant_access":"USER","caps":["CODE_EXEC"],"terminal":false,"cap_confidence":"high","ingested_at":"2026-09-25T03:16:59.115909+00:00","first_seen":"2025-01-14T18:15:58.960000+00:00","kev_first_seen":"2025-01-14T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["microsoft"],"products":["windows_10_21h2","windows_10_22h2","windows_11_22h2","windows_11_23h2","windows_11_24h2","windows_server_2022_23h2","windows_server_2025"],"affected":[{"vendor":"microsoft","product":"windows_10_21h2","ranges":["< 10.0.19044.5371"]},{"vendor":"microsoft","product":"windows_10_22h2","ranges":["< 10.0.19045.5371"]},{"vendor":"microsoft","product":"windows_11_22h2","ranges":["< 10.0.22621.4751"]},{"vendor":"microsoft","product":"windows_11_23h2","ranges":["< 10.0.22631.4751"]},{"vendor":"microsoft","product":"windows_11_24h2","ranges":["< 10.0.26100.2894"]},{"vendor":"microsoft","product":"windows_server_2022_23h2","ranges":["< 10.0.25398.1369"]},{"vendor":"microsoft","product":"windows_server_2025","ranges":["< 10.0.26100.2894"]}]}