---
id: "CVE-2026-112691"
kind: "vulnerability"
aliases: ["CVE-2026-112691"]
title: "Apple iOS and iPadOS: out-of-bounds write lets an app crash the system"
severity: "low"
cvss: null
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["apple-devices", "infrastructure", "ios", "ipados", "visionos", "watchos"]
not_affected_if: ["already-updated-devices"]
published_at: "2026-10-26T21:18:03+00:00"
first_seen_at: "2026-10-26T21:20:30+00:00"
updated_at: "2026-10-26T21:23:23+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-112691", "first_seen_at": "2026-10-26T21:20:30+00:00"}]
---

# Apple iOS and iPadOS: out-of-bounds write lets an app crash the system

An out-of-bounds write in Apple's operating systems lets a malicious app cause unexpected system termination. Apple fixed it with improved input validation in iOS 26.7.2, iPadOS 26.7.2, iOS 27.2, iPadOS 27.2, visionOS 27.2 and watchOS 27.2.

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

## How to check

- Check the device version under Settings > General > About, or run `sw_vers` on a Mac-hosted build for comparison.
- Compare the installed version against `iOS 26.7.2`, `iPadOS 26.7.2`, `iOS 27.2`, `iPadOS 27.2`, `visionOS 27.2` or `watchOS 27.2`.

## Fix

- Update iOS and iPadOS to `26.7.2` or `27.2`, depending on the release line in use.
- Update visionOS and watchOS to `27.2`.

## Timeline

- 2026-10-26T21:20:30+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-112691

## 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, visionOS 27.2, watchOS 27.2. An app may be able to cause unexpected system termination.

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