CVE-2021-30739

HIGH

macOS 10.14.0-10.14.4 and 11.0.1-11.3 - Local Privilege Escalation via Memory Corruption

Title source: llm
STIX 2.1

Description

A local attacker may be able to elevate their privileges. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. A memory corruption issue was addressed with improved validation.

References (3)

Core 3
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212529
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212530
Vendor Advisory x_refsource_misc
https://support.apple.com/en-us/HT212531

Scores

CVSS v3 7.8
EPSS 0.0032
EPSS Percentile 24.1%
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 10.14.6 (19 CPE variants)
apple/mac_os_x 10.15.7 (8 CPE variants)
apple/mac_os_x 10.14.0 - 10.14.5
apple/macos 11.0.1 - 11.4
Published Sep 08, 2021
Tracked Since Feb 18, 2026