{"id":"CVE-2021-23877","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-23877","generatedAt":"2026-10-28T02:58:47.894Z","title":"Privilege escalation vulnerability in the Windows trial installer of McAfee Total Protection (MTP) prior to 16.0.34_x may allow a local user to run arbitrary code as the admin user by replacing a specific temporary file created during the installation…","description":"Privilege escalation vulnerability in the Windows trial installer of McAfee Total Protection (MTP) prior to 16.0.34_x may allow a local user to run arbitrary code as the admin user by replacing a specific temporary file created during the installation of the trial version of MTP.","published":"2021-10-26T22:15:08.000Z","lastModified":"2026-06-17T03:38:58.000Z","status":"Modified","sourceIdentifier":"trellixpsirt@trellix.com","cvss":{"version":"3.1","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"},"cwe":["CWE-269"],"affected":["mcafee/total protection"],"epss":{"score":0.0037,"percentile":0.30675,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.37%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://service.mcafee.com/webcenter/portal/cp/home/articleview?articleId=TS103215","source":"trellixpsirt@trellix.com"},{"url":"https://service.mcafee.com/webcenter/portal/cp/home/articleview?articleId=TS103215","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-23877","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}