CVE-2026-43668 Use after free in iOS and iPadOS
A remote attacker can cause system termination or corrupt kernel memory via a use-after-free vulnerability in Apple operating systems.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-43668?
CVE-2026-43668 is a high-severity use after free vulnerability in Apple Ipados, published on 11 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.
Weakness: CWE-416
Which versions are affected by CVE-2026-43668?
It affects 6 products.
Products include Apple Ipados, Apple Iphone Os, Apple Macos, Apple Tvos, Apple Visionos, Apple Watchos.
How do I fix CVE-2026-43668?
No fix has been published for CVE-2026-43668 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2026-43668 being exploited?
There is no known exploitation of CVE-2026-43668 in the wild and no public exploit code.
Other vulnerabilities in Apple Ipados
- CVE-2025-43300 Apple iOS, iPadOS, and macOS Out-of-Bounds Write
- CVE-2025-24201 Apple Multiple Products WebKit Out-of-Bounds Write
- CVE-2025-24085 Apple Multiple Products Use-After-Free
- CVE-2025-31200 Apple Multiple Products Memory Corruption
- CVE-2025-31201 Apple Multiple Products Arbitrary Read and Write
Sources
Also known as GHSA-xfpc-cffv-p6m3.