{"cve":{"cve_id":"CVE-2021-1117","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.00184,"epss_percentile":0.081,"epss_as_of":"2026-06-23","description":"Windows contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for DxgkDdiEscape, where an attacker through specific configuration and with local unprivileged system access may cause improper input validation, which may lead to denial of service.","published_at":"2021-10-27T20:35:15Z","last_modified_at":null,"cvss_v3_score":4.7,"cvss_v3_vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","cvss_v3_severity":"MEDIUM","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-129"],"nvd_references":["https://nvidia.custhelp.com/app/answers/detail/a_id/5230"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:14:47.733574Z"},"effective_severity":"MEDIUM","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"L","value_label":"Local"},{"metric":"AC","name":"Attack Complexity","value":"H","value_label":"High"},{"metric":"PR","name":"Privileges Required","value":"L","value_label":"Low"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"N","value_label":"None"},{"metric":"I","name":"Integrity","value":"N","value_label":"None"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"nvidia","vendor_name":"NVIDIA","product_slug":"nvidia-gpu-display-driver","product_name":"NVIDIA GPU Display Driver","version_start":"All GPU Driver versions","version_start_inclusive":true,"version_end":"All GPU Driver versions","version_end_inclusive":true,"cpe23_uri":"cve5:nvidia:nvidia-gpu-display-driver:All GPU Driver versions:All GPU Driver versions"}],"exploit_refs":[],"news":[],"references":[{"url":"https://nvidia.custhelp.com/app/answers/detail/a_id/5230","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2021-10-27T20:35:15Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:04:45.530472Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:04:45.530472Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:04:45.530472Z","label":"CVSS score revised","source":"cvelistv5"}]}