CVE-2021-30865

HIGH

macOS <11.6 - Privilege Escalation

Title source: llm
STIX 2.1

Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.6, Security Update 2021-005 Catalina. A malicious application may be able to execute arbitrary code with kernel privileges.

References (2)

Core 2
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212804
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212805

Scores

CVSS v3 7.8
EPSS 0.0023
EPSS Percentile 46.1%
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-125
Status published
Products (3)
apple/mac_os_x 10.15.7 (7 CPE variants)
apple/mac_os_x < 10.15.7
apple/macos 11.0 - 11.6
Published Aug 24, 2021
Tracked Since Feb 18, 2026