---
id: "CVE-2026-112517"
kind: "vulnerability"
aliases: ["CVE-2026-112517"]
title: "Apple iOS and macOS: use-after-free lets an app corrupt kernel memory"
severity: "unknown"
cvss: null
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["apple", "infrastructure", "ios", "ipados", "macos", "tvos", "visionos", "watchos"]
not_affected_if: ["already-on-fixed-versions"]
published_at: "2026-10-26T21:17:43+00:00"
first_seen_at: "2026-10-26T21:20:27+00:00"
updated_at: "2026-10-26T21:29:31+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-112517", "first_seen_at": "2026-10-26T21:20:27+00:00"}]
---

# Apple iOS and macOS: use-after-free lets an app corrupt kernel memory

A use-after-free bug in Apple's operating systems lets an app crash the system or corrupt kernel memory. Apple fixed it in iOS 26.7.2, macOS Tahoe 26.7.2, macOS Sequoia 15.8.2 and later releases.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed version under Settings > General > About (iOS and iPadOS) or Apple menu > About This Mac (macOS)
- unknown

## Fix

- Update iOS and iPadOS to `26.7.2` or `27.2`
- Update macOS Tahoe to `26.7.2`, macOS Sequoia to `15.8.2`, or macOS Golden Gate to `27.2`
- Update tvOS, visionOS and watchOS to `27.2`

## Timeline

- 2026-10-26T21:20:27+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-112517

## From the sources

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, tvOS 27.2, visionOS 27.2, watchOS 27.2. An app may be able to cause unexpected system termination or corrupt kernel memory.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_