CVE-2026-64776
MEDIUMmacOS < 14.8.8 / < 15.7.8 / < 26.6 - Kernel Memory Disclosure via Bounds Check Bypass
Title source: llmDescription
The issue was addressed with improved bounds checks. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to disclose kernel memory.
References (3)
Core 3
Scores
CVSS v3
5.5
EPSS
0.0012
EPSS Percentile
2.3%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-125
Status
published
Products (4)
Apple/macOS
< 14.8.8
Apple/macOS
< 15.7.8
Apple/macOS
< 26.6
apple/macos
14.0 - 14.8.8
Published
Jul 27, 2026
Tracked Since
Jul 28, 2026