{"vulnerability": "CVE-2026-83586", "sightings": [{"uuid": "d4ab0c30-0464-4a93-8584-ea92afbf9202", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-83586", "type": "seen", "source": "https://bsky.app/profile/cvemon.bsky.social/post/3mxwkgshio324", "content": "CVE-2026-83586 is trending. Hype score 7, currently #7 on cvemon.\n\nWeak authentication in Windows Resilient File System (ReFS) Deduplication Service allows an authorized attacker to elevate privileges locally.\n\nhttps://cvemon.intruder.io/cves/CVE-2026-83586", "creation_timestamp": "2026-10-15T17:08:43.096994Z"}, {"uuid": "0fff1818-5e69-4697-b091-6e13dfdcd2fc", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-83586", "type": "seen", "source": "https://infosec.exchange/users/cve/statuses/117436829128910728", "content": "CVE-2026-83586 Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability Weak authentication in Windows Resilient File System (ReFS) Deduplication Service allows an authorized attacker to elevate privileges locally.\nhttps://www.cve.org/CVERecord?id=CVE-2026-83586https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83586#Microsoft #Windows11version23H2 #Windows11Version23H2 #Windows11Version24H2 #Windows11Version25H2 #Windows11version26H1 #Windows11Version26H2 #WindowsServer2025 #WindowsServer2025(ServerCoreinstallation)#CVE_2026_83586#bot", "creation_timestamp": "2026-10-14T02:10:04.362720Z"}, {"uuid": "8c21fcb9-590a-4ccd-8310-4c55ea0faef5", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-83586", "type": "seen", "source": "https://www.acn.gov.it/portale/w/aggiornamenti-mensili-microsoft-25", "content": "", "creation_timestamp": "2026-10-14T01:49:33.000000Z"}]}