CVE-2026-43750

EUVD-2026-49547
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. An app may be able to execute arbitrary code out of its sandbox or with certain elevated privileges.
Classic Buffer Overflow
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 50.68%
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