---
id: "CVE-2026-112637"
kind: "vulnerability"
aliases: ["CVE-2026-112637"]
title: "Safari and Apple OS: use-after-free lets crafted web content run code"
severity: "high"
cvss: null
epss: null
exploited: false
status: "open"
category: "runtime"
products: []
ecosystems: []
tags: ["ios", "ipados", "macos", "runtime", "safari", "webkit"]
not_affected_if: ["already-updated-to-27.2"]
published_at: "2026-10-26T21:17:57+00:00"
first_seen_at: "2026-10-26T21:20:29+00:00"
updated_at: "2026-10-26T21:24:06+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-112637", "first_seen_at": "2026-10-26T21:20:29+00:00"}]
---

# Safari and Apple OS: use-after-free lets crafted web content run code

A use-after-free memory bug in Safari and several Apple operating systems can be triggered by maliciously crafted web content. The sources say it may lead to arbitrary code execution.

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

## How to check

- Check the Safari and OS version on each device; the sources name Safari 27.2, iOS 27.2, iPadOS 27.2, macOS Golden Gate 27.2, tvOS 27.2, visionOS 27.2 and watchOS 27.2 as the fixed releases.
- unknown for anything beyond the version check

## Fix

- Update Safari to `27.2` or later.
- Update iOS, iPadOS, macOS Golden Gate, tvOS, visionOS and watchOS to `27.2` or later.

## Timeline

- 2026-10-26T21:20:29+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-112637

## From the sources

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 27.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, tvOS 27.2, visionOS 27.2, watchOS 27.2. Processing maliciously crafted web content may lead to arbitrary code execution.

---

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