{"id":"CVE-2025-21418","vendor_project":"Microsoft","product":"Windows","vulnerability_name":"Microsoft Windows Ancillary Function Driver for WinSock Heap-Based Buffer Overflow Vulnerability","date_added":"2025-02-11","due_date":"2025-03-04","known_ransomware_use":"Unknown","short_description":"Microsoft Windows Ancillary Function Driver for WinSock contains a heap-based buffer overflow vulnerability that allows for privilege escalation, enabling a local attacker to gain SYSTEM privileges.","required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","cwes":"CWE-122","cvss_version":"3.1","cvss_severity":"HIGH","cvss_vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","nvd_published":"2025-02-11","nvd_status":"Analyzed","epss":0.01568,"epss_percentile":0.74273,"cvss_score":7.8,"days_published_to_kev":0,"source":"https://data.cybermax-tools.workers.dev/cve/CVE-2025-21418","by":"CyberMax"}