HIGHCVE-2026-20687Published Modified CNA apple
CVE-2026-20687: A use after free issue was addressed with improved memory management
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.
Metrics
- CVSS v3.1
- 7.1
- Severity
- HIGH
- Fixed in
- 15.7.5
- Affected Products
- 4
Fix available
15.7.518.7.726.4
Affected packages
- Apple / iOS and iPadOS< 18.7.7 (from 0) · < 26.4 (from 0)
- Apple / macOS< 15.7.5 (from 0) · < 26.4 (from 0)
- Apple / tvOS< 26.4 (from 0)
- Apple / watchOS< 26.4 (from 0)
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H