{"schema_version":"1","data":[{"id":286,"advisory_id":"a5cdc6f1-dd21-421c-834b-a7d931be99d8","revision":1,"source_id":"core-kev","source_url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-62221","source_published_at":"2025-12-09T00:00:00+00:00","published_at":"2026-10-24T20:43:05.237624+00:00","extraction_method":"structured","technologies":["core-kev","windows"],"cve_ids":["CVE-2025-62221"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"Microsoft Windows Use After Free Vulnerability","summary":"Microsoft Windows Cloud Files Mini Filter Driver contains a use after free vulnerability that can allow an authorized attacker to elevate privileges locally. CISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","evidence":"kev:CVE-2025-62221","products":[{"name":{"value":"Windows","evidence":"/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"unknown","structured":{"id":"CVE-2025-62221","aliases":["CVE-2025-62221"],"affected":[],"modified":"2025-12-09T00:00:00.000Z","provider":"kev","references":["https://www.cisa.gov/known-exploited-vulnerabilities-catalog"],"exploitation":{"cwes":["CWE-416"],"cveID":"CVE-2025-62221","notes":"https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-62221 ; https://nvd.nist.gov/vuln/detail/CVE-2025-62221","dueDate":"2025-12-30","product":"Windows","dateAdded":"2025-12-09","vendorProject":"Microsoft","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","known_exploited":true,"shortDescription":"Microsoft Windows Cloud Files Mini Filter Driver contains a use after free vulnerability that can allow an authorized attacker to elevate privileges locally.","vulnerabilityName":"Microsoft Windows Use After Free Vulnerability","knownRansomwareCampaignUse":"Unknown"}},"related_cves":[{"value":"CVE-2025-62221","evidence":"/cveID"}],"security_relevant":true,"severity_evidence":null}}],"next_after":286,"next_before":286}