Medium severity5.5NVD Advisory· Published Feb 11, 2026· Updated Apr 2, 2026

CVE-2026-20621

Description

The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3, visionOS 26.3. An app may be able to cause unexpected system termination or corrupt kernel memory.

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./macOS2 versions
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*range: <14.8.4
- (no CPE)
Apple Inc./Visionosllm-fuzzy
Cisco Systems, Inc./Cisco iOSllm-fuzzy

Patches

Vulnerability mechanics

References

support.apple.com/en-us/126346nvdRelease NotesVendor Advisory
support.apple.com/en-us/126347nvdRelease 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/126353nvdRelease NotesVendor Advisory

News mentions

No linked articles in our index yet.

cvss	0.358
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000