{"id":"CVE-2021-1782","aliases":[],"url":"https://o3.security/vulnerability/CVE-2021-1782","summary":"A race condition was addressed with improved locking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS…","details":"A race condition was addressed with improved locking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A malicious application may be able to elevate privileges. Apple is aware of a report that this issue may have been actively exploited..","published":"2021-04-02T17:59:21.000Z","modified":"2025-10-21T23:25:50.291Z","cvss":{"score":7,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.02222,"percentile":0.81816,"asOf":"2026-09-16"},"cisaKev":null,"exploitsKnown":6,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://support.apple.com/en-us/HT212147"},{"type":"WEB","url":"https://support.apple.com/en-us/HT212146"},{"type":"WEB","url":"https://support.apple.com/en-us/HT212148"},{"type":"WEB","url":"https://support.apple.com/en-us/HT212149"},{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1782"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2025-10-21T23:25:50.291Z"}}