{"id":"CVE-2018-6236","aliases":["EUVD-2018-17997","GHSA-qmvc-m73g-v847"],"status":"published","title":"A Time-of-Check Time-of-Use privilege escalation vulnerability in Trend Micro Maximum Security ...","description":"A Time-of-Check Time-of-Use privilege escalation vulnerability in Trend Micro Maximum Security (Consumer) 2018 could allow a local attacker to escalate privileges on vulnerable installations due to a flaw within processing of IOCTL 0x222813 by the tmusa driver. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.","severity":{"version":"3.0","score":7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00288,"percentile":0.2151,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-362"],"published":"2018-05-25T15:00:00Z","modified":"2026-06-17T02:01:33Z","products":[{"vendor":"trend micro","product":"trend micro maximum security"},{"vendor":"trendmicro","product":"antivirus\\+"},{"vendor":"trendmicro","product":"internet_security"},{"vendor":"trendmicro","product":"maximum_security"},{"vendor":"trendmicro","product":"premium_security"}],"references":[{"url":"https://esupport.trendmicro.com/en-us/home/pages/technical-support/1119591.aspx","tags":["x_refsource_CONFIRM","x_transferred","Mitigation","Vendor Advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-18-410/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-6236"},{"url":"https://github.com/advisories/GHSA-qmvc-m73g-v847"}],"sources":{"cve":[{"id":"CVE-2018-6236","description":"A Time-of-Check Time-of-Use privilege escalation vulnerability in Trend Micro Maximum Security (Consumer) 2018 could allow a local attacker to escalate privileges on vulnerable installations due to a flaw within processing of IOCTL 0x222813 by the tmusa driver. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.","status":"published","published":"2018-05-25T15:00:00Z","modified":"2024-08-05T06:01:47.981Z","updated_at":"2026-11-02T14:35:05.619113Z"}],"euvd":[{"id":"EUVD-2018-17997","description":"A Time-of-Check Time-of-Use privilege escalation vulnerability in Trend Micro Maximum Security (Consumer) 2018 could allow a local attacker to escalate privileges on vulnerable installations due to a flaw within processing of IOCTL 0x222813 by the tmusa driver. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.","status":"published","published":"2018-05-25T15:00:00Z","modified":"2024-08-05T06:01:47Z","updated_at":"2026-11-03T02:40:08.595407Z"}],"ghsa":[{"id":"GHSA-qmvc-m73g-v847","title":"A Time-of-Check Time-of-Use privilege escalation vulnerability in Trend Micro Maximum Security ...","description":"A Time-of-Check Time-of-Use privilege escalation vulnerability in Trend Micro Maximum Security (Consumer) 2018 could allow a local attacker to escalate privileges on vulnerable installations due to a flaw within processing of IOCTL 0x222813 by the tmusa driver. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.","status":"published","published":"2022-05-14T03:15:54Z","modified":"2023-02-02T05:07:54Z","cvss":[{"version":"3.0","score":7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T14:52:37.024984Z"}],"nvd":[{"id":"CVE-2018-6236","description":"A Time-of-Check Time-of-Use privilege escalation vulnerability in Trend Micro Maximum Security (Consumer) 2018 could allow a local attacker to escalate privileges on vulnerable installations due to a flaw within processing of IOCTL 0x222813 by the tmusa driver. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.","status":"published","published":"2018-05-25T15:29:00.553Z","modified":"2026-06-17T02:01:33.527Z","cvss":[{"version":"3.0","score":7,"vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.9,"vector":"AV:L/AC:M/Au:N/C:C/I:C/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T14:04:28.483469Z"}]}}