CVE-2026-43818
Last modified
CVE-2026-43818 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An integer overflow was addressed with improved input validation. 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. EPSS estimates a 0.18% chance of exploitation in the next 30 days.
Description
An integer overflow was addressed with improved input validation. 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. Processing a maliciously crafted image may lead to arbitrary code execution.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 26.6 |
| Apple | Iphone Os | < 26.6 |
| Apple | Macos | >= 14.0, < 14.8.8 |
| Apple | Macos | >= 15.0, < 15.7.8 |
| Apple | Macos | >= 26.0, < 26.6 |
References
- https://support.apple.com/en-us/128066Release Notes, Vendor Advisory
- https://support.apple.com/en-us/128067Release Notes, Vendor Advisory
- https://support.apple.com/en-us/128071Release Notes, Vendor Advisory
- https://support.apple.com/en-us/128072Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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