Quick answers
- Is CVE-2026-84634 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-84634 being exploited in the wild.
- How severe is CVE-2026-84634?
- Informational severity, published 26 October 2026.
- Which products and versions are affected?
- Apple Ios before 27; Apple iPadOS before 27; Apple macOS Golden Gate before 27; Apple Visionos before 27.
- Is there a fix for CVE-2026-84634?
- Yes: fixed in iOS 27, iPadOS 27, macOS Golden Gate 27, visionOS 27. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-84634 attacked?
- It is attacked with local access, in an operating system.
- Am I affected by CVE-2026-84634?
- Check whether you run Apple Ios, Apple iPadOS, Apple macOS Golden Gate or one of the others listed at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- Fixed in: iOS 27, iPadOS 27, macOS Golden Gate 27, visionOS 27
Technical details
A race condition in APFS was addressed with additional validation in iOS 27, iPadOS 27, macOS Golden Gate 27, and visionOS 27. The vulnerability allows an app to cause unexpected system termination or write to kernel memory through a race condition that was not properly protected by synchronization. The attack requires local execution with app privileges.
Affected products
- Apple iOS before 27
- Apple iPadOS before 27
- Apple macOS Golden Gate before 27
- Apple visionOS before 27
Timeline
- 2026-09-14: disclosed: Fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, visionOS 27 released September 14, 2026
- 2026-10-26: advisory