Medium severity5.5NVD Advisory· Published Feb 11, 2026· Updated Jun 17, 2026
CVE-2026-20621
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
7cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*range: <26.3
- (no CPE)range: 18.7.5, 26.3
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*range: <14.8.4
- (no CPE)range: Sequoia 15.7.4, Sonoma 14.8.4, Tahoe 26.3
- Range: 18.7.5, 26.3
- Range: 26.3
Patches
Vulnerability mechanics
References
6- 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
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