CVE-2026-43655 Information disclosure in iOS and iPadOS
An app can trigger an out-of-bounds read to leak kernel memory or crash the system, affecting all 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-2026-43655?
CVE-2026-43655 is a high-severity 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
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, watchOS 26.5. An app may be able to cause unexpected system termination or read kernel memory.
Weakness: CWE-125
Which versions are affected by CVE-2026-43655?
It affects 5 products.
Products include Apple Ipados, Apple Iphone Os, Apple Macos, Apple Tvos, Apple Watchos.
How do I fix CVE-2026-43655?
No fix has been published for CVE-2026-43655 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-43655 being exploited?
There is no known exploitation of CVE-2026-43655 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
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-6wgp-q874-jmmx.