{"id":"CVE-2019-1458","published":"2019-12-10T22:15:16Z","modified":"2026-08-12T05:17:25Z","title":"Microsoft Win32k Privilege Escalation Vulnerability","vendor":"Microsoft","product":"Win32k","tier":"core","eol":null,"description":{"text":"An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka 'Win32k Elevation of Privilege Vulnerability'.","provenance":"source","from":"NVD"},"summary":{"text":"The flaw is in Microsoft Windows' Win32k component, where improper handling of objects in memory allows an elevation of privilege. An attacker who already has local, low-privilege access to the system can exploit it without user interaction to gain higher privileges.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T06:54:54Z"},"cvss":{"score":7.8,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.74438,"percentile":0.9949,"date":"2026-10-28","provenance":"source"},"kev":{"dateAdded":"2022-01-10","dueDate":"2022-07-10","ransomware":true,"requiredAction":"Apply updates per vendor 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