VDB
CVE-2026-43778
CVE-2026-43778
PUBLISHED
CVSS 9.8 CRITICAL
Reported by apple · Published July 27, 2026
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination or corrupt kernel memory.
Risk Scores
CVSS 3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | iOS and iPadOS | 0 |
| Apple | macOS | 0, 0, 0 |
| Apple | tvOS | 0 |
| Apple | visionOS | 0 |
| Apple | watchOS | 0 |
| Apple | watchOS | 0, 0 |
| Apple | iOS and iPadOS | 0, 0 |
| Apple | macOS | 0, 0, 0 |
| Apple | visionOS | 0, 0 |
| Apple | tvOS | 0, 0 |
Timeline
- Jul 27, 2026 CVE Published
- Jul 28, 2026 Coalition ESS Score
- Jul 28, 2026 Security Advisory
- Jul 29, 2026 CVE Updated