Medium severity6.2NVD Advisory· Published Mar 25, 2026· Updated Jun 17, 2026
CVE-2026-20637
CVE-2026-20637
Description
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An app may be able to cause unexpected system termination.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
19cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*range: <18.7.7
- (no CPE)range: 18.7.7
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*range: >=14.0,<14.8.5
- (no CPE)range: 0
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*range: <26.3
- (no CPE)range: 0
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*range: <26.3
- (no CPE)range: 26.3
- (no CPE)range: 0
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*range: <26.3
- (no CPE)range: 26.3
- (no CPE)range: 0
- Range: 26.3
- Range: 15.7.5
- Range: 14.8.5
- Range: 26.3
- Range: 18.7.7
- Range: 0
Patches
Vulnerability mechanics
References
8- support.apple.com/en-us/126346nvdRelease NotesVendor Advisory
- support.apple.com/en-us/126348nvdRelease NotesVendor Advisory
- support.apple.com/en-us/126351nvdRelease NotesVendor Advisory
- support.apple.com/en-us/126352nvdRelease NotesVendor Advisory
- support.apple.com/en-us/126353nvdRelease NotesVendor Advisory
- support.apple.com/en-us/126793nvdRelease NotesVendor Advisory
- support.apple.com/en-us/126795nvdRelease NotesVendor Advisory
- support.apple.com/en-us/126796nvdRelease NotesVendor Advisory
News mentions
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