{"vulnerability": "cve-2021-26431", "sightings": [{"uuid": "c2de4feb-4a34-41e1-b1de-fc3aa181fc1f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-26431", "type": "published-proof-of-concept", "source": "https://t.me/CyberSecurityTechnologies/4268", "content": "#Threat_Research\n1. Analysis of a Parallels Desktop Stack Clash Vulnerability and Variant Hunting Using Binary Ninja\nhttps://www.zerodayinitiative.com/blog/2021/9/9/analysis-of-a-parallels-desktop-stack-clash-vulnerability-and-variant-hunting-using-binary-ninja\n2. CVE-2021-26431:\nMicrosoft Windows Lock Screen Improper Access Control Authentication Bypass Vulnerability (PoC)\nhttps://halove23.blogspot.com/2021/09/zdi-21-1053-bypassing-windows-lock.html", "creation_timestamp": "2021-09-10T12:12:38.000000Z"}, {"uuid": "5ef2293f-aa7e-45fc-8495-552a6a193870", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-26431", "type": "published-proof-of-concept", "source": "https://t.me/cissp/4324", "content": "", "creation_timestamp": "2026-09-10T20:00:10.948112Z"}, {"uuid": "9a62e64f-7fcd-4912-9ad2-6728e33dedd2", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-26431", "type": "seen", "source": "https://t.me/cissp/4324", "content": "", "creation_timestamp": "2026-09-01T17:00:40.908657Z"}]}