CVE-2026-20637
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.
- Affected products
- Apple Macos, Ios, Ipados, Macos Sequoia, Macos Sonoma, Macos Tahoe, Tvos, Visionos
- Apple Ipados
- < 18.7.7, 26.3
- Apple Iphone Os
- < 18.7.7, 26.3
- Apple Macos
- < 14.8.5, 15.7.5, 26.3
- Apple Tvos
- < 26.3
- Apple Visionos
- < 26.3
- Apple Watchos
- < 26.3
- Fix
- Available
- CVSS 3.1
- 6.2 MEDIUM
- EPSS
- 0.2% (10th percentile)
- Weakness
- CWE-416
- NVD status
- Analyzed
- Published
- 2026-03-25
CVE-2026-20637 at NVD
No indexed exploits for CVE-2026-20637 yet
Our index is partial: it proves presence, never absence
No exploit for CVE-2026-20637 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.