---
id: "CVE-2026-112548"
kind: "vulnerability"
aliases: ["CVE-2026-112548"]
title: "macOS: use-after-free lets a local app gain root privileges"
severity: "unknown"
cvss: null
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["developer-laptops", "infrastructure", "macbook", "macos"]
not_affected_if: ["fully-patched-macos"]
published_at: "2026-10-26T21:17:47+00:00"
first_seen_at: "2026-10-26T21:20:27+00:00"
updated_at: "2026-10-26T21:28:01+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-112548", "first_seen_at": "2026-10-26T21:20:27+00:00"}]
---

# macOS: use-after-free lets a local app gain root privileges

A use-after-free memory bug in macOS lets an app escalate to root privileges. Apple says it is fixed by improved memory management in macOS Golden Gate 27.2, Sequoia 15.8.2 and Tahoe 26.7.2.

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

## How to check

- Run `sw_vers -productVersion` and compare against the fixed versions: `27.2`, `15.8.2`, `26.7.2`
- unknown

## Fix

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

## Timeline

- 2026-10-26T21:20:27+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-112548

## 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 gain root privileges.

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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_