CVE-2026-28894 Denial of service in iOS and iPadOS
A remote attacker can cause a denial-of-service on Apple devices due to insufficient input validation, requiring OS updates.
- 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-2026-28894?
CVE-2026-28894 is a high-severity denial of service vulnerability in Apple Ipados, published on 25 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A denial-of-service issue was addressed with improved input validation. This issue is fixed in iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. A remote attacker may be able to cause a denial-of-service.
Weakness: CWE-20
Which versions are affected by CVE-2026-28894?
It affects 3 products.
Products include Apple Ipados, Apple Iphone Os, Apple Macos.
How do I fix CVE-2026-28894?
No fix has been published for CVE-2026-28894 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-28894 being exploited?
There is no known exploitation of CVE-2026-28894 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-55pg-vx6v-2jfh.