CVE-2026-39870

HIGH

macOS - Memory Corruption

Title source: manual
STIX 2.1

Description

The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. Processing a maliciously crafted image may corrupt process memory.

Scores

CVSS v3 7.5
EPSS 0.0004
EPSS Percentile 12.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-119
Status published
Products (4)
Apple/macOS < 14.8.7
Apple/macOS < 15.7.7
Apple/macOS < 26.5
apple/macos 14.0 - 14.8.7
Published May 11, 2026
Tracked Since May 12, 2026