Executive brief
A race condition in Apple operating systems was addressed with improved locking. A malicious application may exploit this vulnerability to elevate privileges. Apple has acknowledged reports that this issue may have been actively exploited in the wild.
Affected products
- Apple iOS before 14.4
- Apple iPadOS before 14.4
- Apple macOS Big Sur before 11.2
- Apple macOS Catalina before Security Update 2021-001
- Apple macOS Mojave before Security Update 2021-001
- Apple watchOS before 7.3
- Apple tvOS before 14.4
Timeline
- 2021-01-26: patched: Apple released updates for iOS, iPadOS, macOS, watchOS, and tvOS.
- 2021-04-02: disclosed: NVD Published Date.
- 2021-11-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog.
- 2021-11-03: exploited: CISA confirmed active exploitation.