{"schema_version":"1","data":[{"id":1389,"advisory_id":"3fedbe90-576d-417c-8324-797a7fe99be5","revision":1,"source_id":"core-kev","source_url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-21674","source_published_at":"2023-01-10T00:00:00+00:00","published_at":"2026-10-24T21:01:58.353338+00:00","extraction_method":"structured","technologies":["core-kev","windows"],"cve_ids":["CVE-2023-21674"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"Microsoft Windows Advanced Local Procedure Call (ALPC) Privilege Escalation Vulnerability","summary":"Microsoft Windows Advanced Local Procedure Call (ALPC) contains an unspecified vulnerability that allows for privilege escalation. CISA required action: Apply updates per vendor instructions.","evidence":"kev:CVE-2023-21674","products":[{"name":{"value":"Windows","evidence":"/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"unknown","structured":{"id":"CVE-2023-21674","aliases":["CVE-2023-21674"],"affected":[],"modified":"2023-01-10T00:00:00.000Z","provider":"kev","references":["https://www.cisa.gov/known-exploited-vulnerabilities-catalog"],"exploitation":{"cwes":["CWE-416"],"cveID":"CVE-2023-21674","notes":"https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-21674;  https://nvd.nist.gov/vuln/detail/CVE-2023-21674","dueDate":"2023-01-31","product":"Windows","dateAdded":"2023-01-10","vendorProject":"Microsoft","requiredAction":"Apply updates per vendor instructions.","known_exploited":true,"shortDescription":"Microsoft Windows Advanced Local Procedure Call (ALPC) contains an unspecified vulnerability that allows for privilege escalation.","vulnerabilityName":"Microsoft Windows Advanced Local Procedure Call (ALPC) Privilege Escalation Vulnerability","knownRansomwareCampaignUse":"Unknown"}},"related_cves":[{"value":"CVE-2023-21674","evidence":"/cveID"}],"security_relevant":true,"severity_evidence":null}}],"next_after":1389,"next_before":1389}