AppleCVE-2026-43817
Apple iOS and iPadOS: out-of-bounds read
Fix: upgrade to 26.6 or later (3 fixed versions below)
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| iOS and iPadOS Product | < 26.6 | 26.6 |
| macOS Product | < 26.6 | 26.6 |
| tvOS Product | < 26.6 | 26.6 |
| visionOS Product | < 26.6 | 26.6 |
| watchOS Product | < 26.6 | 26.6 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- Severity from
- CISA (its enrichment of the CVE record)
- Weakness
- CWE-125