---
id: "CVE-2026-86943"
kind: "vulnerability"
aliases: ["CVE-2026-86943"]
title: "Apple macOS: memory handling flaw allows remote denial-of-service"
severity: "unknown"
cvss: null
epss: null
exploited: false
status: "open"
category: "other"
products: []
ecosystems: []
tags: ["apple-devices", "macos", "other"]
not_affected_if: ["already-on-golden-gate-27.2"]
published_at: "2026-10-26T21:20:32+00:00"
first_seen_at: "2026-10-26T21:55:22+00:00"
updated_at: "2026-10-26T21:56:49+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-86943", "first_seen_at": "2026-10-26T21:55:22+00:00"}]
---

# Apple macOS: memory handling flaw allows remote denial-of-service

Apple fixed a memory handling issue in macOS Golden Gate 27.2. A remote attacker may be able to crash the affected system or service, causing denial-of-service.

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

## How to check

- Run `sw_vers -productVersion` on each Mac and compare against the fixed release.
- unknown

## Fix

- Update macOS to `Golden Gate 27.2` or later.

## Timeline

- 2026-10-26T21:55:22+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-86943

## From the sources

The issue was addressed with improved memory handling. This issue is fixed in macOS Golden Gate 27.2. A remote attacker may be able to cause a denial-of-service.

---

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