CVE-2026-65398

EUVD-2026-77888
An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, watchOS 27. An app may be able to cause unexpected system termination or corrupt kernel memory.
Classic Buffer Overflow
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 3.2%
Affected Products (NVD)
VendorProductVersion
appleipados
𝑥
< 27.0
appleiphone_os
𝑥
< 27.0
applemacos
𝑥
< 27.0
appletvos
𝑥
< 27.0
applevisionos
𝑥
< 27.0
applewatchos
𝑥
< 27.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://support.apple.com/en-us/149034
https://support.apple.com/en-us/149035
https://support.apple.com/en-us/149036
https://support.apple.com/en-us/149037
https://support.apple.com/en-us/149038