CVE-2026-84635 Denial of service in Safari
Attackers can cause unexpected process termination in Apple browsers and operating systems by processing maliciously crafted web content.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-84635?
CVE-2026-84635 is a medium-severity denial of service vulnerability in Apple Ipados, published on 14 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A logic issue was addressed with improved state management. This issue is fixed in Safari 27, iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, watchOS 27. Processing maliciously crafted web content may lead to an unexpected process termination.
Weakness: CWE-843
Which versions are affected by CVE-2026-84635?
It affects 7 products.
Products include Apple Ipados, Apple Iphone Os, Apple Macos, Apple Safari, Apple Tvos, Apple Visionos and 1 more.
How do I fix CVE-2026-84635?
Upgrade to a fixed version.
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-2026-84635 being exploited?
There is no known exploitation of CVE-2026-84635 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 DEBIAN-CVE-2026-84635, ECHO-dba1-7b3e-464b, GHSA-r9q9-7344-x2cc.