---
id: "CVE-2026-86974"
kind: "vulnerability"
aliases: ["CVE-2026-86974"]
title: "Safari and Apple OSes: type confusion lets crafted web content corrupt memory"
severity: "unknown"
cvss: null
epss: null
exploited: false
status: "open"
category: "other"
products: []
ecosystems: []
tags: ["apple-devices", "ios", "ipados", "macos", "other", "safari", "visionos"]
not_affected_if: ["already-patched"]
published_at: "2026-10-26T21:20:35+00:00"
first_seen_at: "2026-10-26T21:55:22+00:00"
updated_at: "2026-10-26T21:56:36+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-86974", "first_seen_at": "2026-10-26T21:55:22+00:00"}]
---

# Safari and Apple OSes: type confusion lets crafted web content corrupt memory

A type confusion flaw in Safari and several Apple operating systems can be triggered by maliciously crafted web content. Successful exploitation can cause memory corruption, which can lead to code execution.

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

## How to check

- Check the installed Safari or OS version under Settings > General > About on iOS, iPadOS, and visionOS, or About This Mac on macOS.
- Compare the version against the fixed releases: Safari `27.2`, iOS `26.7.2`, iPadOS `26.7.2`, iOS `27.2`, iPadOS `27.2`, macOS Golden Gate `27.2`, visionOS `27.2`.

## Fix

- Update Safari to `27.2` or later.
- Update iOS and iPadOS to `26.7.2` or `27.2` (matching your major version), macOS Golden Gate to `27.2`, and visionOS to `27.2`.

## Timeline

- 2026-10-26T21:55:22+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-86974

## From the sources

A type confusion issue was addressed with improved checks. This issue is fixed in Safari 27.2, iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, visionOS 27.2. Processing maliciously crafted web content may lead to memory corruption.

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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_