---
id: "CVE-2026-112493"
kind: "vulnerability"
aliases: ["CVE-2026-112493"]
title: "macOS: version check gap lets an app gain root privileges"
severity: "unknown"
cvss: null
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["apple-devices", "fleet-management", "infrastructure", "macos"]
not_affected_if: ["already-patched"]
published_at: "2026-10-26T21:17:40+00:00"
first_seen_at: "2026-10-26T21:20:26+00:00"
updated_at: "2026-10-26T21:29:51+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-112493", "first_seen_at": "2026-10-26T21:20:26+00:00"}]
---

# macOS: version check gap lets an app gain root privileges

A downgrade issue in macOS allowed an app to gain root privileges, and Apple fixed it with additional version checks. An attacker who can run a malicious app on the Mac can end up with root control of the system.

_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 listed in the fix field
- Check Software Update in System Settings for pending macOS updates

## Fix

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

## Timeline

- 2026-10-26T21:20:26+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-112493

## From the sources

A downgrade issue was addressed with additional version checks. 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.

---

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