---
id: "CVE-2026-112689"
kind: "vulnerability"
aliases: ["CVE-2026-112689"]
title: "Apple iOS and macOS: out-of-bounds write 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"]
not_affected_if: ["already-patched"]
published_at: "2026-10-26T21:18:03+00:00"
first_seen_at: "2026-10-26T21:20:30+00:00"
updated_at: "2026-10-26T21:23:25+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-112689", "first_seen_at": "2026-10-26T21:20:30+00:00"}]
---

# Apple iOS and macOS: out-of-bounds write lets an app corrupt kernel memory

An out-of-bounds write in Apple's operating systems can be triggered by an app and may crash the system or corrupt kernel memory. Apple fixed it in the listed iOS, iPadOS, macOS, and tvOS releases.

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

## How to check

- Check the device OS version in Settings > General > About, or run `sw_vers` on macOS and compare against the fixed versions.
- unknown for any other check, the sources do not say.

## 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`, and macOS Golden Gate to `27.2`.
- Update tvOS to `27.2`.

## Timeline

- 2026-10-26T21:20:30+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-112689

## From the sources

An out-of-bounds write issue was addressed with improved input validation. 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. 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_