Description
Multiple out-of-bounds write issues were addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.6.1. A malicious 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/HT212871
Vendor Advisory x_refsource_confirm
https://support.apple.com/kb/HT212869
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212872
Scores
CVSS v3
7.8
EPSS
0.0033
EPSS Percentile
25.1%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-787
Status
published
Products (4)
apple/mac_os_x
10.15.7 (10 CPE variants)
apple/mac_os_x
10.15 - 10.15.7
apple/macos
12.0.0
apple/macos
< 11.6.1
Published
Aug 24, 2021
Tracked Since
Feb 18, 2026