{"id":"CVE-2021-36742","aliases":[],"url":"https://o3.security/vulnerability/CVE-2021-36742","summary":"A improper input validation vulnerability in Trend Micro Apex One, Apex One as a Service, OfficeScan XG and Worry-Free Business Security 10.0 SP1 allows a local attacker to escalate…","details":"A improper input validation vulnerability in Trend Micro Apex One, Apex One as a Service, OfficeScan XG and Worry-Free Business Security 10.0 SP1 allows a local attacker to escalate privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.","published":"2021-07-29T20:15:07.650","modified":"2026-06-17T03:59:05.680","cvss":{"score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.01482,"percentile":0.71675,"asOf":"2026-08-28"},"cisaKev":{"dateAdded":"2021-11-03","dueDate":"2021-11-17","knownRansomwareCampaignUse":false},"exploitsKnown":2,"affectedPackages":[],"fix":null,"references":[{"type":"ADVISORY","url":"https://success.trendmicro.com/jp/solution/000287796"},{"type":"ADVISORY","url":"https://success.trendmicro.com/jp/solution/000287815"},{"type":"ADVISORY","url":"https://success.trendmicro.com/solution/000287819"},{"type":"ADVISORY","url":"https://success.trendmicro.com/solution/000287820"},{"type":"ADVISORY","url":"https://success.trendmicro.com/jp/solution/000287796"},{"type":"ADVISORY","url":"https://success.trendmicro.com/jp/solution/000287815"},{"type":"ADVISORY","url":"https://success.trendmicro.com/solution/000287819"},{"type":"ADVISORY","url":"https://success.trendmicro.com/solution/000287820"},{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-36742"}],"provenance":{"sources":["OSV.dev","NVD","CISA KEV","FIRST.org (EPSS)"],"lastVerified":"2026-06-17T03:59:05.680"}}