CVE-2026-64771

EUVD-2026-49554
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6. A remote attacker may be able to cause unexpected application termination or heap corruption.
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: 51.1%
Affected Products (NVD)
VendorProductVersion
appleipados
𝑥
< 26.6
appleiphone_os
𝑥
< 26.6
applemacos
15.0 ≤
𝑥
< 15.7.8
applemacos
26.0 ≤
𝑥
< 26.6
appletvos
𝑥
< 26.6
applevisionos
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/128069
https://support.apple.com/en-us/128070
https://support.apple.com/en-us/128071
https://support.apple.com/en-us/148287