{"id":"CVE-2021-34484","aliases":[],"url":"https://o3.security/vulnerability/CVE-2021-34484","summary":"Windows User Profile Service Elevation of Privilege Vulnerability","details":"Windows User Profile Service Elevation of Privilege Vulnerability","published":"2021-08-12T18:15:09.117","modified":"2026-08-10T19:59:12.090","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":0.21661,"percentile":0.97447,"asOf":"2026-08-26"},"cisaKev":{"dateAdded":"2022-03-31","dueDate":"2022-04-21","knownRansomwareCampaignUse":false},"exploitsKnown":3,"affectedPackages":[],"fix":null,"references":[{"type":"FIX","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34484"},{"type":"FIX","url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34484"},{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-34484"}],"provenance":{"sources":["OSV.dev","NVD","CISA KEV","FIRST.org (EPSS)"],"lastVerified":"2026-08-10T19:59:12.090"}}