High severity8.8NVD Advisory· Published Feb 11, 2026· Updated Apr 2, 2026

CVE-2026-20667

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Apple Inc./Ipados
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
Range: <26.3
Apple Inc./Iphone OS
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
Range: <26.3
Apple Inc./macOS
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Range: <14.8.4
Apple Inc./watchOS2 versions
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*range: <26.3
- (no CPE)range: <26.3
Cisco Systems, Inc./Cisco iOSllm-fuzzy
Range: <26.3
Apple Inc./macOS Sequoiallm-fuzzy
Range: <15.7.4

Patches

Vulnerability mechanics

References

support.apple.com/en-us/126346nvdRelease NotesVendor Advisory
support.apple.com/en-us/126348nvdRelease NotesVendor Advisory
support.apple.com/en-us/126349nvdRelease NotesVendor Advisory
support.apple.com/en-us/126350nvdRelease NotesVendor Advisory
support.apple.com/en-us/126352nvdRelease NotesVendor Advisory

News mentions

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cvss	0.572
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000