{"id":"CVE-2021-23886","aliases":["EUVD-2021-10812","GHSA-67hv-ghcg-2jfq"],"status":"published","title":"Local Denial of Service in McAfee DLP Endpoint for Windows","description":"Denial of Service vulnerability in McAfee Data Loss Prevention (DLP) Endpoint for Windows prior to 11.6.100 allows a local, low privileged, attacker to cause a BSoD through suspending a process, modifying the processes memory and restarting it. This is triggered by the hdlphook driver reading invalid memory.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00224,"percentile":0.13201,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-755"],"published":"2021-04-15T07:50:15Z","modified":"2026-06-17T03:38:59Z","products":[{"vendor":"mcafee","product":"data_loss_prevention_endpoint"},{"vendor":"mcafee,llc","product":"mcafee data loss prevention (dlp) endpoint for windows"}],"references":[{"url":"https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10354","tags":["x_refsource_CONFIRM","x_transferred","Broken Link"]},{"url":"https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10357","tags":["x_refsource_CONFIRM","x_transferred","Broken Link"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23886"},{"url":"https://github.com/advisories/GHSA-67hv-ghcg-2jfq"}],"sources":{"cve":[{"id":"CVE-2021-23886","title":"Local Denial of Service in McAfee DLP Endpoint for Windows","description":"Denial of Service vulnerability in McAfee Data Loss Prevention (DLP) Endpoint for Windows prior to 11.6.100 allows a local, low privileged, attacker to cause a BSoD through suspending a process, modifying the processes memory and restarting it. This is triggered by the hdlphook driver reading invalid memory.","status":"published","published":"2021-04-15T07:50:15Z","modified":"2024-08-03T19:14:09.648Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-755"],"updated_at":"2026-11-02T14:33:00.819444Z"}],"euvd":[{"id":"EUVD-2021-10812","description":"Denial of Service vulnerability in McAfee Data Loss Prevention (DLP) Endpoint for Windows prior to 11.6.100 allows a local, low privileged, attacker to cause a BSoD through suspending a process, modifying the processes memory and restarting it. This is triggered by the hdlphook driver reading invalid memory.","status":"published","published":"2021-04-15T07:50:15Z","modified":"2024-08-03T19:14:09Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T03:25:00.126172Z"}],"ghsa":[{"id":"GHSA-67hv-ghcg-2jfq","title":"Denial of Service vulnerability in McAfee Data Loss Prevention (DLP) Endpoint for Windows prior...","description":"Denial of Service vulnerability in McAfee Data Loss Prevention (DLP) Endpoint for Windows prior to 11.6.100 allows a local, low privileged, attacker to cause a BSoD through suspending a process, modifying the processes memory and restarting it. This is triggered by the hdlphook driver reading invalid memory.","status":"published","published":"2022-05-24T17:47:41Z","modified":"2023-11-15T21:35:01Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-755"],"updated_at":"2026-11-02T14:55:02.891904Z"}],"nvd":[{"id":"CVE-2021-23886","description":"Denial of Service vulnerability in McAfee Data Loss Prevention (DLP) Endpoint for Windows prior to 11.6.100 allows a local, low privileged, attacker to cause a BSoD through suspending a process, modifying the processes memory and restarting it. This is triggered by the hdlphook driver reading invalid memory.","status":"published","published":"2021-04-15T08:15:14.62Z","modified":"2026-06-17T03:38:59.037Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-755"],"updated_at":"2026-11-02T14:06:52.03307Z"}]}}