{"schema_version":"1","data":[{"id":314,"advisory_id":"24ba375d-fc50-407f-bb4f-086249ad438e","revision":1,"source_id":"core-kev","source_url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-33073","source_published_at":"2025-10-20T00:00:00+00:00","published_at":"2026-10-24T20:43:21.40245+00:00","extraction_method":"structured","technologies":["core-kev","windows"],"cve_ids":["CVE-2025-33073"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"Microsoft Windows SMB Client Improper Access Control Vulnerability","summary":"Microsoft Windows SMB Client contains an improper access control vulnerability that could allow for privilege escalation. An attacker could execute a specially crafted malicious script to coerce the victim machine to connect back to the attack system using SMB and authenticate. 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-2025-33073","products":[{"name":{"value":"Windows","evidence":"/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"unknown","structured":{"id":"CVE-2025-33073","aliases":["CVE-2025-33073"],"affected":[],"modified":"2025-10-20T00:00:00.000Z","provider":"kev","references":["https://www.cisa.gov/known-exploited-vulnerabilities-catalog"],"exploitation":{"cwes":["CWE-284"],"cveID":"CVE-2025-33073","notes":"https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2025-33073 ; https://nvd.nist.gov/vuln/detail/CVE-2025-33073","dueDate":"2025-11-10","product":"Windows","dateAdded":"2025-10-20","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 SMB Client contains an improper access control vulnerability that could allow for privilege escalation. An attacker could execute a specially crafted malicious script to coerce the victim machine to connect back to the attack system using SMB and authenticate.","vulnerabilityName":"Microsoft Windows SMB Client Improper Access Control Vulnerability","knownRansomwareCampaignUse":"Unknown"}},"related_cves":[{"value":"CVE-2025-33073","evidence":"/cveID"}],"security_relevant":true,"severity_evidence":null}}],"next_after":314,"next_before":314}