{"schema_version":"1","data":[{"id":491,"advisory_id":"3af9f6b8-7161-48be-abdb-b289b4538d2a","revision":1,"source_id":"core-kev","source_url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-21391","source_published_at":"2025-02-11T00:00:00+00:00","published_at":"2026-10-24T20:46:46.349721+00:00","extraction_method":"structured","technologies":["core-kev","windows"],"cve_ids":["CVE-2025-21391"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"Microsoft Windows Storage Link Following Vulnerability","summary":"Microsoft Windows Storage contains a link following vulnerability that could allow for privilege escalation. This vulnerability could allow an attacker to delete data including data that results in the service being unavailable. CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","evidence":"kev:CVE-2025-21391","products":[{"name":{"value":"Windows","evidence":"/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"unknown","structured":{"id":"CVE-2025-21391","aliases":["CVE-2025-21391"],"affected":[],"modified":"2025-02-11T00:00:00.000Z","provider":"kev","references":["https://www.cisa.gov/known-exploited-vulnerabilities-catalog"],"exploitation":{"cwes":["CWE-59"],"cveID":"CVE-2025-21391","notes":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21391 ; https://nvd.nist.gov/vuln/detail/CVE-2025-21391","dueDate":"2025-03-04","product":"Windows","dateAdded":"2025-02-11","vendorProject":"Microsoft","requiredAction":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","known_exploited":true,"shortDescription":"Microsoft Windows Storage contains a link following vulnerability that could allow for privilege escalation. This vulnerability could allow an attacker to delete data including data that results in the service being unavailable.","vulnerabilityName":"Microsoft Windows Storage Link Following Vulnerability","knownRansomwareCampaignUse":"Unknown"}},"related_cves":[{"value":"CVE-2025-21391","evidence":"/cveID"}],"security_relevant":true,"severity_evidence":null}}],"next_after":491,"next_before":491}