{"vulnerability": "CVE-2021-31969", "sightings": [{"uuid": "11bb93a2-2655-4491-8aa4-0f57dacd2b62", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-31969", "type": "published-proof-of-concept", "source": "https://t.me/CyberSecurityTechnologies/3893", "content": "#Threat_Research\nCVE-2021-31969:\nMicrosoft Windows Cloud Sync Engine CLDFLT Integer Underflow Privilege Escalation Vulnerability\nhttps://www.zerodayinitiative.com/blog/2021/7/19/cve-2021-31969-underflowing-in-the-clouds", "creation_timestamp": "2021-07-22T12:00:07.000000Z"}, {"uuid": "e7ca71b8-26cd-4645-a894-b2ac0a16d228", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-31969", "type": "published-proof-of-concept", "source": "https://t.me/cKure/13875", "content": "\u25a0\u25a0\u25a0\u25a0\u25a1 Exploitation of a kernel pool overflow from a restrictive chunk size (CVE-2021-31969).\n\nhttps://starlabs.sg/blog/2023/11-exploitation-of-a-kernel-pool-overflow-from-a-restrictive-chunk-size-cve-2021-31969/", "creation_timestamp": "2024-11-09T19:00:04.000000Z"}, {"uuid": "43ce937d-66be-48cf-b91c-861ff13a5068", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-31969", "type": "seen", "source": "MISP/1c5c38d6-3401-41ac-be0e-4cf361fa6f51", "content": "", "creation_timestamp": "2025-09-25T00:36:28.000000Z"}]}