CVE-2026-43681

EUVD-2026-49555
A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A local user may be able to read kernel memory.
Classic Buffer Overflow
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.1 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 6.85%
Affected Products (NVD)
VendorProductVersion
applemacos
14.0 ≤
𝑥
< 14.8.8
applemacos
15.0 ≤
𝑥
< 15.7.8
applemacos
26.0 ≤
𝑥
< 26.6
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://support.apple.com/en-us/128067
https://support.apple.com/en-us/128071
https://support.apple.com/en-us/128072