CVE-2026-43803
Critical · 9.8CVSS
9.8
EPSS
0.8%
Published
Jul 27, 2026
CISA due date
—
The record
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, 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. A remote attacker may be able to cause unexpected system termination.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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