---
id: "CVE-2026-112531"
kind: "vulnerability"
aliases: ["CVE-2026-112531"]
title: "macOS: use-after-free lets an app crash the system"
severity: "unknown"
cvss: null
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["endpoints", "infrastructure", "macos"]
not_affected_if: []
published_at: "2026-10-26T21:17:45+00:00"
first_seen_at: "2026-10-26T21:20:27+00:00"
updated_at: "2026-10-26T21:28:16+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-112531", "first_seen_at": "2026-10-26T21:20:27+00:00"}]
---

# macOS: use-after-free lets an app crash the system

A use-after-free bug in macOS memory handling can be triggered by an app, causing unexpected system termination. The sources describe the impact as a crash, with no code execution mentioned.

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

## How to check

- Run `sw_vers -productVersion` and compare with the fixed releases listed below.
- unknown

## Fix

- Update macOS to `27.2` (Golden Gate), `15.8.2` (Sequoia), or `26.7.2` (Tahoe) or later.

## Timeline

- 2026-10-26T21:20:27+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-112531

## From the sources

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. 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_