CVE-2026-43808 Use after free in iOS and iPadOS
A use-after-free flaw allows an app to cause unexpected system termination on Apple devices, requiring an OS upgrade to fix.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-43808?
CVE-2026-43808 is a medium-severity use after free vulnerability in Apple Ipados, published on 14 Sep 2026. It can only be exploited from the same machine or local network, 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 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination.
Weakness: CWE-416
Which versions are affected by CVE-2026-43808?
It affects 5 products.
Products include Apple Ipados, Apple Iphone Os, Apple Macos, Apple Tvos, Apple Watchos.
How do I fix CVE-2026-43808?
No fix has been published for CVE-2026-43808 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-2026-43808 being exploited?
There is no known exploitation of CVE-2026-43808 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-v26x-mp6g-9xcj.