Description
A memory corruption issue was addressed with improved state management. This issue is fixed in iOS 14.7, macOS Big Sur 11.5. An application may be able to execute arbitrary code with kernel privileges.
References (3)
Core 3
Core References
Vendor Advisory x_refsource_confirm
https://support.apple.com/kb/HT212604
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212601
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212602
Scores
CVSS v3
7.8
EPSS
0.0135
EPSS Percentile
68.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-787
Status
published
Products (4)
apple/ipados
< 14.7
apple/iphone_os
< 14.7
apple/macos
< 11.5
apple/tvos
< 14.7
Published
Sep 08, 2021
Tracked Since
Feb 18, 2026