CVE-2026-20667

EUVD-2026-5930
A logic issue was addressed with improved checks. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3, watchOS 26.3. An app may be able to break out of its sandbox.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Affected Products (NVD)
VendorProductVersion
appleipados
𝑥
< 26.3
appleiphone_os
𝑥
< 26.3
applemacos
𝑥
< 14.8.4
applemacos
15.0 ≤
𝑥
< 15.7.4
applemacos
26.0 ≤
𝑥
< 26.3
applewatchos
𝑥
< 26.3
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://support.apple.com/en-us/126346
https://support.apple.com/en-us/126348
https://support.apple.com/en-us/126349
https://support.apple.com/en-us/126350
https://support.apple.com/en-us/126352