---
id: "CVE-2026-112544"
kind: "vulnerability"
aliases: ["CVE-2026-112544"]
title: "macOS: malicious disk image mount crashes the system via out-of-bounds write"
severity: "unknown"
cvss: null
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["infrastructure", "macos", "workstations"]
not_affected_if: ["fixed-version"]
published_at: "2026-10-26T21:17:47+00:00"
first_seen_at: "2026-10-26T21:20:27+00:00"
updated_at: "2026-10-26T21:28:05+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-112544", "first_seen_at": "2026-10-26T21:20:27+00:00"}]
---

# macOS: malicious disk image mount crashes the system via out-of-bounds write

An out-of-bounds write in macOS lets a malicious disk image cause unexpected system termination when mounted. The sources describe a crash, not code execution.

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

## How to check

- Check the macOS version with `sw_vers` and compare it against the fixed release named in the advisory.

## Fix

- Update macOS to Golden Gate 27.2 or later.

## Timeline

- 2026-10-26T21:20:27+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-112544

## From the sources

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27.2. Mounting a malicious disk image may 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_