medium6.5
CVE-2026-86870
A heap buffer overflow was addressed with improved bounds checking.
Impact
A heap buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, visionOS 27, watchOS 27. Processing a maliciously crafted file may lead to unexpected app termination.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Apple | Ipados | before 26.7 |
| Apple | Iphone Os | before 26.7 |
| Apple | Macos | before 27.0 |
| Apple | Visionos | before 27.0 |
| Apple | Watchos | before 27.0 |