CVE-2021-30807
HIGH KEVmacOS Big Sur <11.5.1 - Memory Corruption
Title source: llmDescription
A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.5.1, iOS 14.7.1 and iPadOS 14.7.1, watchOS 7.6.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.
Exploits (3)
References (4)
Scores
CVSS v3
7.8
EPSS
0.2445
EPSS Percentile
96.1%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CISA KEV
2021-11-03
VulnCheck KEV
2021-07-26
InTheWild.io
2021-07-26
ENISA EUVD
EUVD-2021-17724
CWE
CWE-787
Status
published
Products (4)
apple/ipados
< 14.7.1
apple/iphone_os
< 14.7.1
apple/macos
< 11.5.1
apple/watchos
< 7.6.1
Published
Oct 19, 2021
KEV Added
Nov 03, 2021
Tracked Since
Feb 18, 2026