CVE-2026-43739

EUVD-2026-49612
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 7.62%
Affected Products (NVD)
VendorProductVersion
appleipados
𝑥
< 26.6
appleiphone_os
𝑥
< 26.6
applemacos
26.0 ≤
𝑥
< 26.6
appletvos
𝑥
< 26.6
applevisionos
𝑥
< 26.6
applewatchos
𝑥
< 26.6
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://support.apple.com/en-us/128066
https://support.apple.com/en-us/128067
https://support.apple.com/en-us/128068
https://support.apple.com/en-us/128069
https://support.apple.com/en-us/128070