CVE-2026-20687
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 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Tahoe 26.4, tvOS 26.4, watchOS 26.4. An app may be able to cause unexpected system termination or write kernel memory.
Published:Mar 25, 2026
Last Modified:Apr 2, 2026
EPS:Mar 25, 2026
EPSS Score:0.00012
CVSS Score:7.1
Affected Products
Vendor
Product
Action
Vendor
Apple
Product
Ios And Ipados
Apple
Ios And Ipados
Vendor
Apple
Product
Ipados
Apple
Ipados
Vendor
Apple
Product
Iphone Os
Apple
Iphone Os
Vendor
Apple
Product
Macos
Apple
Macos
Vendor
Apple
Product
Tvos
Apple
Tvos
Vendor
Apple
Product
Watchos
Apple
Watchos
Exploits
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
No CAPEC recorded yet
Related CVEs
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
