{"id":"CVE-2018-8637","aliases":["EUVD-2018-20248","GHSA-92c6-xg29-5j5f"],"status":"published","title":"An information disclosure vulnerability exists in Windows kernel that could allow an attacker to...","description":"An information disclosure vulnerability exists in Windows kernel that could allow an attacker to retrieve information that could lead to a Kernel Address Space Layout Randomization (KASLR) bypass, aka \"Win32k Information Disclosure Vulnerability.\" This affects Windows 10 Servers, Windows 10, Windows Server 2019.","severity":{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01849,"percentile":0.7923,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2018-12-12T00:00:00Z","modified":"2026-06-17T02:05:14Z","products":[{"vendor":"microsoft","product":"windows 10"},{"vendor":"microsoft","product":"windows 10 servers"},{"vendor":"microsoft","product":"windows server 2019"},{"vendor":"microsoft","product":"windows_10"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8637","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/106095","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-8637"},{"url":"https://github.com/advisories/GHSA-92c6-xg29-5j5f"}],"sources":{"cve":[{"id":"CVE-2018-8637","description":"An information disclosure vulnerability exists in Windows kernel that could allow an attacker to retrieve information that could lead to a Kernel Address Space Layout Randomization (KASLR) bypass, aka \"Win32k Information Disclosure Vulnerability.\" This affects Windows 10 Servers, Windows 10, Windows Server 2019.","status":"published","published":"2018-12-12T00:00:00Z","modified":"2024-08-05T07:02:25.868Z","updated_at":"2026-11-02T14:35:04.540365Z"}],"euvd":[{"id":"EUVD-2018-20248","description":"An information disclosure vulnerability exists in Windows kernel that could allow an attacker to retrieve information that could lead to a Kernel Address Space Layout Randomization (KASLR) bypass, aka \"Win32k Information Disclosure Vulnerability.\" This affects Windows 10 Servers, Windows 10, Windows Server 2019.","status":"published","published":"2018-12-12T00:00:00Z","modified":"2024-08-05T07:02:25Z","updated_at":"2026-11-03T02:40:02.008103Z"}],"ghsa":[{"id":"GHSA-92c6-xg29-5j5f","title":"An information disclosure vulnerability exists in Windows kernel that could allow an attacker to...","description":"An information disclosure vulnerability exists in Windows kernel that could allow an attacker to retrieve information that could lead to a Kernel Address Space Layout Randomization (KASLR) bypass, aka \"Win32k Information Disclosure Vulnerability.\" This affects Windows 10 Servers, Windows 10, Windows Server 2019.","status":"published","published":"2022-05-13T01:21:03Z","modified":"2023-02-01T05:06:36Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T14:50:22.895109Z"}],"nvd":[{"id":"CVE-2018-8637","description":"An information disclosure vulnerability exists in Windows kernel that could allow an attacker to retrieve information that could lead to a Kernel Address Space Layout Randomization (KASLR) bypass, aka \"Win32k Information Disclosure Vulnerability.\" This affects Windows 10 Servers, Windows 10, Windows Server 2019.","status":"published","published":"2018-12-12T00:29:01.747Z","modified":"2026-06-17T02:05:14.183Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:04:49.995593Z"}]}}