---
id: "CVE-2026-113939"
kind: "vulnerability"
aliases: ["CVE-2026-113939"]
title: "macOS: crafted disk image can crash the system or corrupt kernel memory"
severity: "unknown"
cvss: null
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["endpoints", "infrastructure", "macos"]
not_affected_if: ["patched-to-27.2"]
published_at: "2026-10-26T21:18:09+00:00"
first_seen_at: "2026-10-26T21:20:31+00:00"
updated_at: "2026-10-26T21:21:46+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-113939", "first_seen_at": "2026-10-26T21:20:31+00:00"}]
---

# macOS: crafted disk image can crash the system or corrupt kernel memory

An out-of-bounds write in macOS lets a maliciously crafted disk image cause a system crash or corrupt kernel memory when mounted. The sources say the flaw is fixed in macOS Golden Gate 27.2.

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

## How to check

- Check the installed macOS version under Apple menu > About This Mac, or with `sw_vers -productVersion`
- unknown for any other check, as the sources do not say

## Fix

- Update macOS to Golden Gate 27.2 or later, as the sources say the issue is fixed in that release
- unknown for any other mitigation, as the sources do not say

## Timeline

- 2026-10-26T21:20:31+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-113939

## 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 maliciously crafted disk image may cause unexpected system termination or corrupt kernel memory.

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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_